Qshequilla Parham Mitchell2024-10-11T13:41:23-05:00

Order of passive and interactive sports consumption and its influences on consumer emotions and sports gambling

Qshequilla Parham Mitchell2024-10-11T13:41:23-05:00October 11th, 2024|Research, Sports Studies|

Authors:Anthony Palomba¹, Angela Zhang², and David Hedlund³

¹Department of Communication, Darden School of Business, University of Virginia, Charlottesville, VA, USA
²Department of Public Relations, Gaylord College of Journalism and Mass Communication, The University of Oklahoma, Norman, OK, USA
³Department of Sport Management, Collings College of Professional Studies, St. John’s University, Queens, NY, USA

Corresponding Author:

Anthony Palomba

100 Darden Blvd.

Charlottesville, VA, 22903

Anthony Palomba is an assistant professor of business administration at the Darden School of Business at the University of Virginia. He is fascinated by media, entertainment, and advertising firms. First, his research explores how and why audiences consume entertainment, and strives to understand how audience measurement can be enhanced to predict consumption patterns. Second, he studies how technological innovations influence competition among entertainment and media firms. Third, he is interested in incorporating machine learning and artificial intelligence tools to better understand consumer and firm behaviors.

Angela Zhang is an assistant professor in public relations. Her research interests span both corporate crisis communication and disaster risk communication in natural and manmade disasters. Her research primarily aims to understand how people process crisis and risk information and how we can communicate better during crises. For example, her work examines how linguistic cues in crisis messages affect people process crisis information, how and why risk information is propagated on social media, and how users communicate and cope on social media after crises. For corporate crisis communication, her research examines effectiveness of crisis prevention strategies such as CSR and DEI communication, as well as crisis response strategies.

Dr. Hedlund is an Associate Professor and the Chairperson of the Division of Sport Management, and he has more than twenty years of domestic and international experience in sport, esports, coaching, business and education. As an author, Dr. Hedlund is the lead editor of the first textbook ever published on esports titled Esports Business Management, and he has more than 30 additional journal, book chapter and related types of publications, in addition to approximately 50 research presentations. In recent years, Dr. Hedlund has acted as a journal, conference and book reviewer for sport, esports and business organizations from around the world, and he is an award-winning reviewer and editorial board member for the International Journal of Sports Marketing and Sponsorship.

ABSTRACT

This study explores how alternating between video game and television experiences influences consumer emotions and subsequent decision-making. Findings indicate that playing a video game after watching a video clip enhances positive emotions (H1 supported) and affects post-experiment betting scores based on pre-experiment gambling bets (H2 supported). Winning teams in video games and elevated positive emotions also positively influence post-experiment betting scores (H3 and H4 partially supported). The interaction effect shows that the sequence of media consumption (TV to video game) increases betting scores (H5 supported). The study contributes to understanding how appraisal tendency theory and mood management theory explain the impact of media consumption order on sports gambling decisions. Video games, as interactive stimuli, elevate consumer moods and influence betting behavior more than passive viewing. Practically, integrating video game and video clip data aids comprehensive audience measurement and targeted advertising strategies, advancing algorithmic forecasting in enhancing consumer engagement and decision-making.

Key Words: Mood management, Appraisal tendency theory, sports, gambling, video games

  INTRODUCTION

            The NFL is one of the most powerful media and entertainment brands in the marketplace, routinely curating legions of television and online video viewers for every annual season. In 2019, it averaged about 16.5 million viewers per game, roughly 33% above the 12.43 million viewing average for the top six non-sports programs (Porter, 2021). Additionally, over the last thirty years, the Madden NFL video game franchise has introduced generations to simulated immersive engagement. The legalization of sports gambling (Cason et al., 2020) has expanded how consumers can further engage with the NFL. NFL executives have discussed using mobile cell phones to aid sports fans in stadiums to make live bets throughout the course of a game (Martins, 2020). Audiences can watch the NFL and NFL game day content on the Xbox One, including up to date news and highlights from select NFL teams (Tuttle, 2016). Given these diverse modes of engagement, consumers often switch across a multitude of different activities. This frequent medium switching can significantly impact their moods and, subsequently, how they execute various tasks, including sports gambling. The phenomenon of media multitasking, where consumers engage with multiple forms of media simultaneously, complicates how they regulate their moods and make subsequent decisions (Deloitte, 2018). Younger consumers, in particular, are more inclined to switch between media than older consumers (Beuckels et al., 2021).

            The increasingly diverse modes of engagement with the NFL, spanning from live game viewing and video game simulations to real-time betting, have led to a phenomenon of frequent media switching among consumers. This constant toggling between different platforms and activities can significantly impact their emotional states, subsequently influencing their decision-making processes, including those related to sports gambling. While previous research has examined task switching in general contexts (Yeykelis, Cummings, & Reeves, 2014) and the impact of media multitasking on advertising (Garaus, Wagner, & Back, 2017), the specific application of appraisal tendency theory to understand how these rapid emotional shifts induced by media switching affect sports gambling behaviors remains largely unexplored. Moreover, social media use while viewing television, a phenomenon that has grown in the last decade, has reconfigured the commodification of audiences, and has also created different markets to understand how consumers multi-task, and how to measure audience engagement (Kosterich & Napoli, 2016). Uniquely, social media may be used to track propensity to make season ticket purchases (Popp et al., 2023) among other sports consumption activities (Du et al., 2023). Recent studies have implicated the legalization of sports gambling as potentially increasing fandom and engagement among fans, and can further elevate communication across stakeholders involved in a sports event (Stadder & Naraine, 2020).

There is a gap in understanding, however, how consumer judgments and decisions are informed by emotions (Han, Lerner, & Keltner, 2007). Understanding this dynamic is critical for comprehending the evolution of fandom and identifying how sports teams can further engage fans. As consumers navigate between watching games, participating in video game simulations, and placing live bets, their engagement strategies and emotional states may significantly influence their decisions and loyalty. By examining these interactions, sports organizations can develop more effective methods to maintain and enhance fan engagement in an increasingly digital and interconnected world.

            The implications of this study are broad and vast for academics along with sports and entertainment managers. The complex nature of media switching in sports consumption furthers our understanding of how affective disposition theory may be applied toward the multi-platform and multi-activity nature of modern sports engagement. It could lead to the development of a more nuanced understanding of how affective dispositions are formed and how they influence decision-making in this context. Microsoft (parent brand of Xbox console series) and the NFL have an agreement in which the NFL can provide fantasy football scores and updates on Xbox One consoles and allow fans to stream certain NFL games from their Xbox One consoles (Chansanchai, 2016). Additionally, Microsoft is able to trace not only what consumers play on Xbox One consoles, but also what TV or SVOD viewing apps fans engage to view content. Together, disparate information on video game play and video viewing can be combined to further identify trends in cross-platform sports consumption behavior and inferred consumer emotional states, which can help illuminate how consumer judgement surrounding sports gambling may be impacted.

NFL INDUSTRY

            The National Football league has been a celebrated sports league in the United States and abroad over the last one hundred years. It draws the highest attendance per professional sports game in the United States, at about sixty-six thousand, and during its 2019 season, it hosted nearly sixteen million total viewers per game (Gough, 2021). The total revenue of all NFL teams was slightly over $15 billion in 2019, and average franchise value was just over $3 billion in 2020. Sports betting on Super bowls alone in Nevada accrued nearly $160 million in 2020 (Gough, 2021). While there are no clear figures regarding sports merchandise sales, NFL revenue by team in 2019 was led by the Dallas Cowboys ($980 million), New England Patriots ($630 million), NY Giants ($547 million) and Houston Texans ($530 million) through last place Las Vegas Raiders ($383 million) (Gough, 2020).

            Aside from tickets, television revenue, and merchandise, the NFL has produced different avenues to engage fan bases. The league has recently embraced sports partnerships with Caesars Entertainment, Draft Kings and FanDuel. This allows these three external partners to engage in retail and online sports betting and engage with fans as well, using sports content from NFL media, as well as data, to market these experiences to fans (NFL, 2021). In fact, the NFL is expected to earn just over $2 billion annually from the sports gambling marketplace (Chiari, 2018). The NFL’s current TV media deals across CBS, ABC/ESPN, NBC, and Fox earn it just over $10 billion per season (Birnbaum, 2021). Arguably, one of the NFL’s highest profile merchandise revenue streams comes from its partnership with Electronic Arts (EA) to release an annual, updated version of Madden NFL, generating roughly $600 million annually for EA (Reyes, 2021). By embracing diverse engagement avenues, the NFL not only diversifies its revenue streams but also caters to the evolving preferences of modern sports consumers. This multi-faceted approach reflects the league’s recognition of the complex interplay between media consumption, mood, and fan behavior, ultimately enhancing the overall fan experience in an increasingly digital and interconnected world.

NFL FOOTBALL AS A VIDEO GAME EXPERIENCE: MADDEN NFL

            There are few video games that possess the dominance and market monopolization as does the Madden NFL franchise. It exists as the only simulated NFL football video game available to consumers (Sarkar, 2020), and it is markedly popular among consumers. In fact, for the last twenty years, every Madden NFL video game installation has debuted as the top selling U.S. game in August each year (Wilson, 2022). The video game franchise itself has blossomed into its own celebrated video game season, as video game play expectedly rises during August in anticipation for the upcoming NFL season (Skiver, 2022). Madden NFL fans have been found to be more devoted and knowledgeable about the NFL. Additionally, they are less likely to miss viewing football games on Sundays, as 42% have stated they never miss a football game due to external activities. They are likely to attend at least one NFL game each annual season (IGN Staff, 2012).

            Video gamers’ moods and subsequent judgment may be impacted by their own experiences. Video game play is an immersive experience, as the required technology helps to transport users into a digital world. The level of presence that is achieved can amplify mediated environment perceived quality, user effects, as well as overall experience (Tamborini & Bowman, 2010). Consumer familiarity with video game play may also influence how they experience presence (Lachlan & Krcmar, 2011). Consumers who view NFL games and play NFL video games may experience wins and loss outcomes in both passive and interactive manners. Sports video game play is motivated by possessing deep passion for the sport, gaming interest, entertainment value, competition, and identifying with the team or sport itself (Kim & Ross, 2006). Consumer emotions can be volatile during sports engagement, as winning and losing can impact overall game satisfaction (Yim & Byon, 2018). Emotions are tied to sports engagement in a primal manner, as consumers vicariously live through sports athletes and align themselves with sports teams, invoking a type of tribalism (Meir & Scott, 2007).

MOOD MANAGEMENT THEORY

               Mood management theory concerns how consumers may manage their own moods through consumption of different mediums. Zillmann (1988) states that there are several traits that may impact whether a medium may repair or enhance a particular mood. First, there is the excitatory potential, or how exciting a message may be for consumers. Second, there is absorption potential, which examines how well a media message will be absorbed by an individual. Third, there is the semantic affinity, which relates to the connection from the current participant mood to a media message, which can moderate the impact of absorption potential. Finally, there is hedonic valence, in which pleasant messages can interrupt consumers’ bad moods (Zillmann, 1988). This study is focused on exploring how consumers’ gambling decisions are influenced by their experiences, both positive and negative, related to predicting scores between teams, and placing a bet on them. Specifically, it aims to investigate the impact of semantic affinity and the excitatory potential of stimuli involved in the process on consumer decision-making in gambling contexts.

               Sports viewing or sports video game play can lead to evaluated states of physiological and psychological arousal, stirring hostile or expressive responses to game outcomes. Arousal has been found to be precipitated by aggressive or hostile states (Zillman, 1983), based on events during the game (Berkowitz, 1989). Hostility can be traced to the dissatisfaction with an outcome, or inability to attain a desired goal. Viewing violent sports competition can also heighten hostility and create greater inclinations toward aggressive behavior. Participants who had high identification with America and viewed an American boxer against a Russian boxer were found to have elevated blood pressure compared to those who had low identification with American (Branscombe & Wann, 1992). Additionally, spectators that have high team identification have higher levels of happiness compared to those with low team identification. The way a message is delivered can impact the effect of a message on consumers, as there are distinct characteristics related to each medium (Dijkstra, Buijtels & van Raaij, 2005).

               Mood management is clearly influential as to how participants respond to video and video game play. Participants who may feel frustration may feel further frustration from viewing violent content (Zillmann & Johnson, 1973). One study by Bryant and Zillmann illustrated that participants who view violent sports did not experience mood repair (Donohew, Sypher, & Higgens,1988). Fulfillment of intrinsic needs can influence selection of video games with varying levels of participant demand (Reinecke et al., 2012). Television has been found to reduce boredom and stress among consumers (Bryant & Zillmann, 1984). In managing moods, this can also impact subsequent decision-making, sometimes surreptitiously and without awareness from participants.

APPRAISAL TENDENCY THEORY

            Appraisal tendency theory considers how different types of emotions within similar valences (e.g., anger and fear) may impact judgement. There are two types of influences that may impact how consumers make judgments. Integral emotion is based on individual experiences that might preempt but be relevant to a subsequent decision. Differently, incidental emotion is due to conceivably irrelevant though impactful elements that can inform decision-making, which may include being influenced by traffic, watching television, or engaging in other non-relevant actions. These influences can carry over to the decision-making process (Schwarz & Clore, 1983; Bodenhausen, Kramer, & Susser, 1994). Moreover, consumers who are angry tend to perceive less risk from engaging in new situations (Han, Lerner, & Keltner, 2007).

            Integral emotion is under examination in this study, as an outcome from a related medium stimulus can impact a subsequent decision that is likely informed by that stimulus. After finding that they have won in a video game, it may be that consumers are less inclined to bet against the team that they just lost against. This subjective pain(joy) based on the first stimulus may be stronger from playing a video game than from viewing a sports clip. Moreover, consumers may seek variety in consumption decisions when they are induced to a negative emotion (Chuang, Kung, & Sun, 2008). Therefore, subsequent decision-making may be informed by the order of passive and interactive media consumed by each individual.

MEDIUM MODALITY

               Mediums that engage multiple senses are likely to lead to impactful communication with consumers (Jacoby, Hoyer & Zimmer, 1983). Television offers engagement through visual and auditory senses, while gaming stimulates both but creates an immersive experience, in which consumers are transported into a virtual world (Kuo, Hiler, & Lutz, 2017). Differently, consumers do not have control over passive mediums such as television, as the content is predetermined and is under the yolk of the sender, creating different delivery systems (Van Raaij, 1998). Video game play offers opportunities for players to speed up game play, based on gaming flexibility as well as how quickly a consumer can finish tasks. Video game play is positioned to evoke cognitive responses, through the speed of information dissemination, since the consumer possesses more control over the experience. Conflated with the demanded attention from video game play, consumers will likely have greater affective responses from video game play than from video viewing (Dijkstra, Buijtels, & van Raaij, 2005).

               In consideration of this study, it follows that the simulated aspect of video game play can further influence decision-making. Consumers are inclined to experience improved decision-making and risk assessment through video game play (Reynaldo et al., 2020), as well as cognitive tasks (Chisholm & Kingstone, 2015). Video game play may also induce lowered physiological stress (Russoniello, O’Brien, & Parks, 2009), and emotional regulation (Villani et al., 2018). While there is scant research surrounding video game play simulations and making subsequent real-life decisions, it is ostensibly clear that video game play can heighten and sharpen decision-making skills as well as emotion regulation. Consumers who are attentive toward a simulated video game play experience may be influenced by its outcome in making a subsequent decision. This can include perceiving the winning team in the simulated game as likely to beat the same opposing team in a real-life match up.

H1: Consumers who play a video game (view a video clip) first will be more inclined to have lower (higher) positive emotions.

SPORTS GAMBLING

               Recently, sports gambling has become legalized or recent legislation has been passed to make it legal in 50% of states in the United States (Rodenberg, 2021). While fans have placed bets on horse-racing and even major league sports, its legalization provides a lawful and safe forum for myriad fans to place bets on teams. However, since many gamblers may not invest time in understanding spreads and other esoteric metrics that gambling managers may use to measure likelihoods of outcomes, playing a Madden NFL game can serve consumers to anticipate potential outcomes in real life match ups. Madden NFL’s algorithms have been harvested in the past to predict Super Bowl outcomes. In fact, EA typically runs one hundred simulations to predict which team will win each year in the Super Bowl (Wiedey, 2020). Additionally, fans are also able to make wagers on major league baseball simulated video games (Cohen, 2020). Younger sports fans may be more inclined to play Madden NFL games as a way to simulate outcomes, and become more familiar with teams to anticipate actual game outcomes. Additionally, sports gamblers are betting on simulated sports, in which Madden NFL video games are simulated through the popular video game streaming site Twitch, and consumers are able to bet on the outcome (Campbell, 2021).   

               Previous studies have highlighted why consumers engage in sports gambling. One study found that consumers engage in sports gambling to seek out social interaction and relaxation through engagement with betting apps, though their effect on problematic gambling and non-problematic gambling varied across these dimensions (Whelan et al., 2021). Consumers may seek out consumer purchases as a way to blunt negative emotions, or may further satiate their positive mood by pursuing purchases that bring them joy. Video game play can engender excitatory potential, stimulating arousal levels and inspiring consumers in negative moods to make consumer purchases or execute notably different gambling bets. The heightened arousal levels experienced by consumers during video game play can create greater vacillation in subsequent decision-making, including sports gambling bets. Tangentially related to this, if a consumer is in a positive mood, this optimism may impact their inclination to bet more on a sports match up. Additionally, the order of engaging a passive medium versus an interactive medium is critical to analyze. Video game play can heighten immersion in content, and provide further confidence in a team. Consumers may be able to participate in high-scoring video game match ups. Additionally, consumers may be spurred to bet on characters with whom they have virtual relationships (Palomba, 2020). Finally, video game play can lead to experiencing dopamine release, leading to greater felt pleasure (Koepp et al., 1998). Together, these may lead consumers to have greater optimism for post-betting scores.

H2: Consumer pre-experiment bet scores will have an anchoring effect and still inform post-experiment bet scores.

H3: The team that wins in the video game will have a greater positive relationship with post experiment bet scores than the team with the highest score in the video clip.

H4: Consumers who experience strong positive (negative) emotions after viewing a video clip will positively (negatively) influence post-experiment bet scores.

H5: Consumption order and time will have an interaction effect that when consumption order is VG to TV, betting scores will decrease from pre-betting to post-betting (pre-betting will be higher than post-betting); when consumption order is TV to VG, betting scores will increase from pre-betting to post-betting (pre-betting will be lower than post-betting).

METHOD

               A 4×2 experiment was conducted here, in which participants were exposed to one of four different video clips, and one of two outcomes in a video game play match up. The New York Giants and Dallas Cowboys were the two teams that were selected for this experiment. Since this experiment took place in the mid-Atlantic region, it was believed that participants were less inclined to like either team. Moreover, these two teams have a storied and high-profile rivalry between them. For the video stimulus, participants were exposed to a randomized video clip highlighting a matchup between the NY Giants and Dallas Cowboys, in which one of four scenarios appeared: a) The NY Giants win by a wide margin (20 points), b) The NY Giants win by a slim margin (3 points), c) The Dallas Cowboys win by a slim margin (3 points), and d) The Dallas Cowboys win by a wide margin (20 points). Each video clip was about five minutes long. The video game stimulus involved playing a Madden NFL video game match up on an Xbox One video game console between the NY Giants and Dallas Cowboys. Participants were able to select which team they desired to play as and in which stadium to play in. The quarters in the Madden NFL game were kept at the default setting of six minutes each, ensuring participants experienced immersion but also maintained the experience to be similar to viewing the video clip.

               Participants in the A condition (VG to TV) first played the video game followed by viewing the video clip, and participants in the B condition (TV to VG) first viewed the video clip followed by the video game play. as well as playing a Madden NFL session implicating both teams. After each condition, participants were asked to evaluate their current emotions. After the video clip, participants were asked to state the final score and which team won in the clip to ensure that they were paying attention to the clip itself. Moreover, after the video game condition, participants were asked to state which team they played as, the final score, as well as what sports stadium they played in.

MEASURES

               To measure fandom, a scale from (Wann, 2002) was used here. It consisted of statements regarding self-assessment of fandom, including statements such as “I consider myself to be a football fan,” “My friends see me as a football fan,” and “I believe that following football is the most enjoyable form of entertainment.” It was measured on a 1 (strongly disagree) to 5 (strongly agree) Likert scale.

               To measure current emotions, a scale from Diener and Emmons (1984) was used here. The scale consisted of emotions statements including “joy,” “pleased,” “enjoyment,” “angry,” and other emotion statements. It was measured on a 1 (not at all) to 7 (extremely much) Likert scale.

               It was believed that the current emotions scale, though exhaustive, did not capture extreme aggression that may be felt by sports fans. An ancillary aggression scale (Sinclair 2005; Spielberger, 1999) was used here. The scale consisted of aggression statements including “I feel like yelling at somebody,” “I am mad,” and “I feel like banging on the table.” It was measured on a 1 (not at all) to 5 (extremely) Likert scale.

               To measure for team identification, a scale by Naylor, Hedlund, and Dickson (2017) was used here. The scale consisted of statements including “I know a lot of information about my favorite National Football League team,” “I am very knowledgeable about my favorite National Football League team,” and “I am very familiar with my favorite National Football League team.” It was measured on a 1 (not at all) to 5 (extremely) Likert scale.

               To measure for commitment to team, a scale by Hedlund, Biscaia, and Leal (2020) was used here. The scale consisted of statements including “I am a true fan of the team,” “I am very committed to the team,” and “I will attend my team’s games in the future.” It was measured on a 1 (not at all) to 5 (definitely) Likert scale.

               To measure for brand loyalty toward Madden NFL, a scale by Yoo and Donthu (2001) was used here. The scale consisted of statements including “I consider myself to be loyal to Madden football,” “Madden football would be my first football video game choice,” and “The likely quality of Madden NFL is extremely high.” It was measured on a 1 (strongly disagree) to 5 (strongly agree) Likert scale.

RESULTS

               Descriptive analytics were run to break down video clip and video game play exposure to participants. After data-cleaning was executed, one hundred and thirteen participants (n=113) remained for analysis. 63.7% of participants were male. Additionally, across ethnicity, participants were Caucasian (58.4%), Asian-American (16.8%), African-American (8.8%), Hispanic (2.7%) and also identified as other races (13.3%). Among participants’ favorite NFL teams, they included the Washington Commodores (16.8%), New England Patriots (8.0%), and Philadelphia Eagles (8.0%). Less participants were fans of the New York Giants (4.4%) and Dallas Cowboys (1.8%). To gain a sense of faith participants had among each team, participants were asked to imagine making a bet between a pre bet on an imagined match up between the NY Giants and Dallas Cowboys. Participants on average placed the Dallas Cowboys (M=25.77, SD=9.102) past the NY Giants (M=20.67, SD=8.715) and bet roughly $14.37 on average.

               Across all video clips, participants viewed the Giants winning by a lot (23.4%), Giants winning by a little (28.7%), Cowboys winning by a lot (25.5%), and Cowboys winning by a little (22.3%). Participants viewed the Giants winning 49.5% of the time and the Cowboys winning 50.5% of the time. In relation to video game difficulty level exposure, 51.3% of participants were exposed to pro-level difficulty (2/4 level of difficulty), and 48.7% were exposed to all-pro level difficulty (3/4 level of difficulty). This was done to ensure that Madden football players felt challenged and greater immersion during video game play (Csikszentmihalyi, 1975; Falstein, 2005; Nacke, 2012; Missura, 2015). 50.9% of participants played as the Dallas Cowboys, and 49.1% played as the NY Giants. In the video game itself, the Dallas Cowboys won 64% of the time, and the NY Giants won 36% of the time. Finally, participants won 74.8% of the time. Moreover, 58% of participants elected to play in NY Giants home stadium, MetLife Stadium, and 42% elected to play in AT&T Stadium, the Dallas Cowboys’ home stadium. Before analyses could be conducted, it was necessary to run factor analyses to reduce the amount of emotion statements necessary for analyses. For all factor analyses across pre-experimental mood, post video mood, and post video game mood, varimax rotations were run.

               For post video emotions, the factor analysis had a KMO of .895 and the Bartlett’s Test of Sphericity was statistically significant. The first factor loading had 12.717 eigenvalue and explained 48.913% of variance in the data. The first loading, violent, included I feel like kicking somebody (.919), I feel like hitting someone (.908), I feel like breaking things (.880), I feel like pounding somebody (.880), and I feel like yelling at somebody (.874) and had a Cronbach’s alpha score of .972. The second factor loading had an eigenvalue of 5.022 and explained 19.317% of variance in the data. This scale, entitled irritated, included frustrated (.865), annoyed (.835), angry (.820), depressed (.800), and sad (.768), and had a Cronbach’s alpha score of .928. The third factor loading had an eigenvalue of 2.311 and explained 8.890% of variance in the data. This scale, entitled positive, included pleased (.919), joy (.914), glad (.904), delighted (.900), and fun (.898) and had a Cronbach’s alpha score of .953.

               For post video game emotions, a factor analysis was run. The KMO =.879 and the Bartlett’s test of sphericity was statistically significant. The first factor loading had an eigenvalue of 13.119, and it explained 50.458% of variance in the data set. The first factor loading, violent, included I feel like hitting someone (.866), I feel like breaking things (.858), I feel like banging on the table (.853), I feel like pounding somebody (.840) and I feel like kicking somebody (.840) with a Cronbach’s alpha score of .965. The second factor loading had an eigenvalue of 4.640 and explained 17.846% of variance in the data set. This scale, positive, included joy (.915), glad (.910), delighted (.897), pleased (.884), and fun (.860), and possessed a Cronbach’s alpha score of .952.  The third factor loading had an eigenvalue of 1.783 and explained 6.858% of variance in the data set. This scale, irritated, included gloomy (.832), depressed (.798), sad (.747), anxious (.628), and angry (.531) and had a Cronbach’s alpha score of .905.

               There was emotional variance across mediums (Table 1). Paired T-tests were run across an assortment of feelings here. For most of the emotions that were measured for in this experiment, participants generally felt better after playing the video game against viewing the clip itself across both conditions. For instance, in total, joy (M=4.38, SD=1.928), glad (M=4.45,

SD=1.785), and delighted (M=4.32, SD=1.904) all increased across all conditions after the video game play condition. Hypothesis 1 is supported here.

Table 1

Emotion variance across mediums.

	Total			TV to VG			VG to TV
	Pre stimulus	Post video clip	Post video game	Pre stimulus	Post video clip	Post video game	Pre stimulus	Post video game	Post video clip
Joy	4.04(1.614)	3.75(1.864)*	4.38(1.928)***	4.33(1.492)	4.46(1.691)	4.98(1.742)*	3.73(1.689)	3.79(1.933)	3.04(1.768)**
Pleased	4.28(1.623)	4.63(1.665)	4.66(1.824)***	4.44(1.524)	4.63(1.665)	5.02(1.794)	4.13(1.717)	4.30(1.798)	3.54(1.629)***
Fun	4.48(1.553)	5.09(1.491)	5.46(1.705)***	4.61(1.449)	5.09(1.491)***	5.46(1.705)	4.34(1.654)	4.88(1.585)**	3.37(1.902)***
Glad	4.35(1.535)	3.81(1.827)***	4.45(1.785)***	4.70(1.414)	4.39(1.677)	4.89(1.723)*	4.00(1.584)	4.00(1.748)	3.21(1.796)**
Delighted	3.88(1.700)	3.83(1.827)	4.32(1.904)**	4.11(1.666)	4.26(1.798)	4.71(1.755)*	3.66(1.719)	3.93(1.980)	3.39(1.765)*
Contented	4.97(1.555)	4.39(1.775)***	4.55(1.729)	5.11(1.655)	4.82(1.754)	4.80(1.793)	4.84(1.449)	4.30(1.640)*	3.95(1.699)
Angry	1.45(1.106)	1.37(.771)	1.58(1.333)	1.38(1.001)	1.38(.702)	1.46(1.144)	1.52(1.206)	1.70(1.501)	1.36(.841)
Anxiety	2.33(1.550)	1.67(1.060)***	1.62(1.133)	2.25(1.338)	1.77(1.062)*	1.45(.851)*	2.41(1.745)	1.79(1.345)***	1.57(1.059)
Frustrated	1.88(1.309)	1.69(1.115)	2.10(1.682)**	1.77(1.079)	1.66(1.100)	1.84(1.424)	1.98(1.507)	2.36(1.882)	1.71(1.140)**
Depressed	1.76(1.187)	1.46(.958)***	1.45(.928)	1.71(1.107)	1.43(.892)**	1.38(.822)	1.80(1.271)	1.52(1.027)*	1.48(1.027)
Annoyed	1.86(1.293)	1.76(1.050)	2.13(1.688)*	1.59(.949)	1.66(.920)	1.91(1.621)	2.13(1.526)	2.34(1.740)	1.86(1.167)*
Sad	1.74(1.334)	1.42(.866)**	1.44(.918)	1.80(1.470)	1.38(.676)*	1.39(.908)	1.68(1.193)	1.48(.934)	1.46(1.026)
Gloomy	1.75(1.151)	1.50(.977)**	1.40(.895)	1.77(1.191)	1.41(.781)***	1.32(.741)	1.73(1.120)	1.48(1.027)*	1.59(1.141)
*p < .05; **p < .01; ***p < .001.

To test hypotheses 2-4, multiple linear regressions were running for predicting consumer post experiment score bets in table 2 and table 3. In table 2, Across both conditions, pre bet Giants score (β=.413, p<.001), pre bet Cowboys score (β=-.269, p<.012), and video Giants score (β=.225, p<.021) explained 34.6% of variance toward estimating Giants post experiment bet score. In the TV to VG condition, pre bet Giants score (β=.505, p<.003), pre bet Cowboys score (β=-.442, p<.008) explained 35.5% of variance toward estimating Giants post experiment bet score. In the VG to TV condition, pre bet Giants score (β=.430, p<.018) and Giants winning in VG (β=-.583, p<.024) explained 28.9% of variance toward estimating Giants post experiment bet score.

Table 2

Consumer post bets – Giants.

	NY Giants Total			NY Giants TV to VG			NY Giants VG to TV
	Beta	Sig.		Beta	Sig.		Beta	Sig.
Pre bet Giants score	.413	.001***		.505	.003**		.430	.018*
Pre bet Cowboys score	-.269	.012*		-.442	.008**		-.009	.969
Winning team in VG	-.282	.071		-.213	.442		-.583	.024*
Did player win in VG	.011	.921		-.276	.113		.334	.112
Team played as in VG	.010	.942		.190	.513		-.110	.610
Sports arena played in VG	.083	.462		.073	.695		.261	.296
Video Cowboy score	-.056	.550		-.089	.543		-.039	.801
Video Giants score	.225	.021*		.262	.096		.285	.079
VG Giants score	-.120	.388		.073	.738		-.281	.256
VG Cowboys score	-.115	.376		-.174	.409		-.009	.966
VC Violent	.085	.569		.138	.668		.011	.960
VC Irritated	-.012	.919		.007	.971		-.186	.458
VC Positive	-.079	.550		-.170	.397		-.043	.836
VG Violent Actions	-.164	.276		-.290	.423		.051	.815
VG Positive Actions	-.110	.454		.028	.894		-.207	.399
VG Irritated	-.006	.962		-.101	.608		.023	.937
F	3.814			2.448			2.068
R	.685			.775			.748
R²	.346			.355			.289
Significance	.001			.021			.048

               In table 3, across both conditions, pre bet Cowboys score (β=.467, p<.001), Cowboys winning in video game (β= .342, p<.038), and video Cowboy score (β=.226, p<.024) explained 27.4% of variance toward estimating Giants post experiment bet score. In the TV to VG condition, pre bet Cowboys score (β=.394, p<.014), Cowboys winning in video game (β= .613, p<.029), Cowboys video score (β=.352, p<.020), Giants video game score (β=.470, p<.034), and feeling positive after viewing the video clip (β=.476, p<.020), explained 38.8% of variance toward estimating Giants post experiment bet score. In the VG to TV condition, Cowboys winning in the video game (β=.469, p<.035), Cowboys video score (β= .276, p<.047), Giants video game score (β=-.517, p<.021), Cowboys video game score (β=-.450, p<.022), and feeling violent after the video clip (β=-.583, p<.011) explained 46.2% of variance toward estimating Cowboys post experiment bet score. Together, these results supported hypothesis 2 and provided partial support for hypotheses 3 and 4.

Table 3

Consumer post bets – Cowboys.

	Dallas Cowboys Total			Dallas Cowboys TV to VG			Dallas Cowboys VG to TV
	Beta	Sig.		Beta	Sig.		Beta	Sig.
Pre bet Giants score	-.138	.195		.045	.767		-.277	.072
Pre bet Cowboys score	.467	.001***		.394	.014*		.370	.071
Winning team in VG	.342	.038*		.613	.029*		.469	.035*
Did player win in VG	.098	.422		.063	.705		.288	.115
Team played as in VG	-.066	.662		-.294	.300		-.263	.169
Sports arena played in VG	.004	.972		-.221	.231		-.242	.266
Video Cowboy score	.226	.024*		.352	.020*		.276	.047*
Video Giants score	-.120	.236		-.169	.261		.058	.675
VG Giants score	.009	.953		.470	.034*		-.517	.021*
VG Cowboys score	-.128	.349		-.129	.529		-.450	.022*
VC Violent	-.180	.255		.312	.323		-.538	.011*
VC Irritated	.099	.443		-.011	.954		.226	.303
VC Positive	.098	.484		.476	.020*		.088	.629
VG Violent Actions	.090	.569		-.547	.127		.160	.406
VG Positive Actions	-.033	.830		-.098	.634		-.287	.182
VG Irritated	-.019	.895		.383	.054		-.102	.684
F	3.008			2.663			3.251
R	.641			.788			.817
R²	.274			.388			.462
Significance	.001			.013			.004

               To answer the fifth hypothesis, a mixed between-within subjects analysis of variance was conducted to understand the effects of consumption order (TV to VG vs. VG to TV) and game results (NY giant wins a lot vs. Cowboy wins a lot) on participants’ sports betting scores on the two teams (NY Giants and Dallas Cowboys, respectively), across two time periods (pre- and post-experiment).

               For betting scores on NY Giants, a significant interaction effect was found between time and order (Wilks’ Lambda = .89, F (1, 35) = 4.54, p=.04). Both pre and post-betting scores for those under the order condition TV to VG ( = 15.83, SD=5.79 and = 18.72, SD=8.10) scored lower than those under the VG TO TV conditions ( = 23.57, SD=9.67 and = 20.19, SD=8.54). Betting scores for NY Giant has increased for order TV to VG ( = 15.83, SD=5.79 to = 18.72, SD=8.10) but betting scores for order VG to TV has decreased ( = 23.57, SD=9.67 to = 20.19, SD=8.54). However, the main effects for time were not significant, nor were the interaction effects between time and game results, and between time, game results, and order (Figure 1). For betting scores on Dallas Cowboys, no significant main effects or interaction effects were found on any of the variables.

Figure 1

Pre-betting and post-betting scores.

DISCUSSION

               This study worked to demonstrate how toggling between video game and television experiences could influence consumer emotions and inform subsequent decision-making. Consumers who played a video game after viewing a video clip were more inclined to feel positive (H1 supported). Pre-experiment gambling bets informed post experiment bet scores (H2 supported). There was some evidence that suggested winning teams in video games held a positive influence over post experiment bet scores (H3 partially supported) and that high levels of positive emotions also held a positive influence over post experiment bet scores (H4 partially supported). Finally, there was an interaction effect in which consumption order and time, in which betting scores will increase in the TV to VG condition (H5 supported). Together, the evidence illustrates how powerful the order of medium engagement is for consumers, and that these particular sequences can not only impact post-moods, but also decision-making among consumers.

               This study contributes to the understanding of how appraisal tendency theory and mood management theory further elucidate the influence of media consumption sequencing on subsequent sports gambling decision-making. Specifically, the sequential order of media engagement was found to affect consumers’ semantic affinities between their recent media exposures (such as watching sports clips or engaging in video game sports simulations) and their subsequent decisions regarding sports wagering, albeit to a limited extent. Additionally, consumers’ moods were elevated by video game play, compared to viewing sports clips, supporting the excitatory potential of interactive stimuli here (Zillmann, 1988; Reinecke et al., 2012). In particular, the winning team in a video game simulation was able to impact post-consumer scores for the Cowboys, and moderately impact post-consumer scores for the Giants. This illustrates that video game simulations can be used to inform subsequent decision-making including estimating a team’s score during a post bet, an advancement of appraisal tendency theory. Previously, this had not been applied to mixed media modality studies, and this illustrates that previous media consumption activities can impact subsequent decision-making. Overall, post-betting scores were elevated in part based on the video game to television media consumption order, illustrating the anchoring effect established from consumers’ first playing video game match ups. Additionally, while pre bets can inform how consumers may produce bets after engaging in media, playing simulated video games can be impactful, whether it is the final score or which team won. It should be stated that the bulk of consumers played as the Cowboys, which may illustrate why the Giants winning in the video game held a negative relationship toward the Giants post bet score. It may be that for some consumers, there is interest in proving a simulation wrong, whereas others are positively informed by this experience.

               In regards to mood management theory, in particular semantic affinity and excitation potential, consumer moods were elevated during video game play. From a passive to an interactive activity, this illustrates that this can further intensify emotional valences across positive (e.g. joy, pleased, fun) and negative (gloomy, annoyed) states. This furthers our understanding of how order of media consumption can impact particular moods for consumers. Having agency over an experience, and allowing consumers to co-create their own experiences while playing a simulated matchup further elevates positive feelings. Differently viewing video clips can evoke a range of emotions in consumers, including contentment as well as feelings of anxiety, depression, sadness, or gloominess. A passive entertainment experience that does not include consumers in the co-creation process (especially if their favorite team is not featured in the clip itself), can create dower moods among consumers. Only 6% of participants possessed affinity for either the Cowboys or the Giants, which did not improve mood during video viewing. However, video game play was able to overcome this obstacle and uplift moods.

PRACTICAL IMPLICATIONS

               Integrating video game data with video clip data collection facilitates the development of a comprehensive media audience measurement approach. This approach enables practitioners to gauge engagement across both passive and interactive consumption modes. Additionally, it contributes to establishing a new market information framework (Meyer & Rowan, 1977), potentially minimizing analytical redundancies as consumers’ behaviors are tracked seamlessly across various media platforms. The technological disruption of multi-tasking, task-switching, and sequential tasking have created multiple opportunities to measure audiences differently, particularly as 5G becomes widely available in NFL stadiums. Verizon has recently stated that its 5G ultra Wideband service can ensure connectivity for fans during live games (Ashraf, 2023). The ability to engage smart phone devices in a sports stadium allows audiences to gain a sense of how audiences are responding to a game, which may include measuring the amount of bets. For homebound patrons, consolidating data sets in a cohesive and aggregated fashion enables the development of advanced algorithms for forecasting. This helps in deciphering the audience’s mindset based on their past media consumption patterns leading up to watching an NFL game or engaging in Madden NFL gameplay. Currently, Amazon offers X-Ray for Thursday Night Football fans, which is a sophisticated graphical overlay that allows fans to follow statistics in real time along with generated two-minute highlight reels (Forristal, 2023). Therefore, calcified sport consumer profiles and proclivities for communication with each other can be further facilitated through these strategies (Kirkwood, Yap, & Xu, 2018).

               This creates a vehicle for programmatic strategy advertising and public relations, by which automated advertisements and public relations addresses can be targeted toward participants after an activity in order to enhance or repair a sports fan experience. More attention from consumers may be given to positive television advertisements that follow engaging programming rather than calm programming (Lee, Potter & Han, 2023). Consumers gain greater joy on spending money on experiential products including sports events (Nicolao, Irwin, & Goodman, 2009) and so consumers may seek out experiences more so than merchandise. Moreover, the ability to track consumer behavior in virtual spaces has implications for how advertisements may be placed and how consumers may engage with them (Ahn, Kim & Kim, 2022).  The order of consumption can aid practitioners in elevating video game play. Not only can it impact post betting video game scores, but it can also enhance positive moods for consumers. In particular, consumers who experience their own team or a favored team winning in a video game or simulated match up may feel delighted or joy, which may subsequently encourage them to increase the post experience bet score for one or both teams. This can therefore encourage more risk taking among consumers, and perhaps even more spending for that matter. Furthermore, when fans experience negative emotions after their favorite team loses a live match, the NFL team can strategically encourage them to replay the matchup in Madden NFL. This allows fans to reimagine the live game, thus re-writing the experience itself, and mitigating any temporary damage to brand loyalty or equity.

LIMITATIONS AND FUTURE STUDIES

               There were several limitations in this study. First, most participants were inclined to push for in favor of the Cowboys in the pre-bet. Recall that the NY Giants pre bet score was less (M=20.67, SD=8.715) compared to the Dallas Cowboys (M=25.77, SD=9.102). This indicates markedly more confidence in the Dallas Cowboys’ abilities among the participants. However, while the Cowboys won 64% of the time in the video game, participants only played as them for roughly 51% of the time. Moreover, 58% of participants elected to play in the NY Giants arena. Consequently, many participants were surprised by losses to the NY Giants when playing in the Giants’ stadium. Future studies should consider allowing participants to play as their favorite teams or testing various types of advertisements on them. It may also be valuable to examine how participants respond to playing in stadiums that are geographically close to or far from their hometowns. Additionally, investigating how the order of media consumption affects consumer behavior related to memorabilia, tickets, and other sports-related purchases offers a promising area for academic research.

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The authors thank the Institute for Business in Society at the Darden School of Business for research support.

George Minoso2024-09-26T07:03:33-05:00

Selection and Performance Rationale of Wood vs. Aluminum Baseball Bats

George Minoso2024-09-26T07:03:33-05:00September 28th, 2024|Sport Training, Sports Studies|

Authors: Vilas G. Pol¹

AUTHORS INSTITUATIONAL AFFILIATION:

Corresponding Author:

A standard pitching machine manufactured by Junior Hack Attack was utilized to set up the velocity of the ball being pitched. The speed radar was purchased from Bushnell with an accuracy of ±1 MPH. The velocity gun was calibrated utilizing the set speed of the pitching machine and reading of the radar to a 1 MPH accuracy. The aluminum bat with a length of 31 inches, 23 ounces, and a barrel size of 2 ¾ inches was purchased from Marucci. The maple wood bat with a length of 31 inches, and a barrel size of 2 ¾ inches was purchased from Victus Nox (The brand Marucci owns Victus Nox). A bucket of standard baseballs was purchased from Wilson. A standard batting tee manufactured by Tanners Tees was utilized for the tee tests. An indoor baseball and softball facility (Lifelong Sports, Lafayette, Indiana, USA) was used for these experiments. Figure 1 depicts all used baseball accessories.

Two different velocities of =30 and 40 MPH were set by adjusting left, bottom, and right knobs of a standard pitching machine (Figure 1). The balls were loaded into the pitching machine by a person with approximately 15 second intervals between the pitched balls. The batter wore the requisite safety equipment (helmet, arm guard, leg guard, and batting gloves) while hitting the balls as they were pitched. The speed radar was set up approximately 4 feet behind the batter and the exit velocity was measured after the bat had contacted the ball. Ten balls were set on the batting tee (one at a time) and hit within 15 second intervals. The handheld speed gun was used behind the batter and pointed at approximately where the ball would be headed. Three trial runs were carried out before the final experiment to find errors in the experiment and to correct them. After hitting ten balls with the aluminum bat, the wood bat was used to hit the next ten balls to minimize the error, assuming that the batter’s strength is similar between tests conducted sequentially. Within each set of experimental conditions, the exit velocity of the balls was categorized and reported as the highest (Hi), lowest (Low) and average (Avg) speeds. In some cases, the aluminum bat’s sound frequencies affected the speed gun measurements. These experiments and speed measurements were repeated. Newly purchased baseball balls were used for the measurements to minimize the error. Please note some of the concerns in wood versus aluminum bats are i) the wood bat breaking could happen due to the ball hitting around the handle area or the end, ii) the wood bat could hurt players’ hands due to high impact speeds and vibrations, and iii) the aluminum bat cracking could occur as the metal shrinks in the cold with unsafe storage.  

Results

Typically, commercial baseball pitching machines are arm type (stores balls on sides in an arm shape, which automatically dispenses balls) or roller type (person must manually put balls into the machine). Both machines can dispense different pitches (8) such as fastball, curveball, screwball, slider, etc. To carry out the experiments in a controlled air, moisture, and temperature environment for better accuracy, we used roller type dispenser at LifeLong Sports, Lafayette, Indiana, USA.

Fig. 2 depicts the exit velocity data from 10 balls that were hit off of the tee with maple wood and aluminum bats. The highest exit velocity for the balls that were hit by the wood bat ranges from 57 to 62 MPH, while more consistent 61 MPH for the aluminum bat. The lower velocity and average exit velocity data demonstrate that the effect of using either wood or aluminum bat is negligible when the balls were hit off the tee.

In Fig. 3, 10 balls were pitched at 30 MPH and the exit velocity data was collected for maple wood and aluminum bats. The highest exit velocity for the balls that were hit by aluminum bat ranges from 61 to 63 MPH, while being 55 to 61 MPH for the wood bat. The lowest exit velocity for the balls that were hit by wood bat ranges from 40 to 43 MPH, while 50 to 51 MPH for the aluminum bat. Overall, 2-3% superior performance of the metal bat was observed due to hollow vibrating wall of the bat (similar to a drum upon impact), producing a loud ping sound (9). The exit velocity of the balls was almost double the velocity of balls impacting to the bat.  In fact, the wall bends slightly in an inner direction retaining some of the vibrational energy and then coils back after impacting on the bat. The low frequency ping sound (1,000 Hz) indicates softer, thinner wall thickness of metal bat while high frequency (2,000 Hz) ping sound indicates bat wall is thicker, hence stiffer (9). The trampoline effect on the metal bat helps gain a little more speed compared to the wooden bat (9).

At high pitch speeds of the incoming balls (40 MPH), the obtained data show a slightly different trend, as seen in Fig. 4. The highest exit velocity for the balls that were hit by the aluminum bat ranges from 51 to 53 MPH, while being 57 to 58 MPH for the wood bat. The low exit velocity for the balls that were hit by the aluminum bat ranges from 40-41 MPH, while being 41-45 MPH for the wood bat. Namely, the wood bat showed a slightly superior exit velocity compared to the metal bat. This could be due to high impact speeds with less than 1 ms impact duration with the minimum energy percolation in the bat (9). As baseballs from the same batch were used for both the 30 MPH and 40 MPH pitch tests, these differences can be attributed to differences in the bat material rather than the baseballs themselves. In these conditions, a solid wood bat could perform better than the thin-walled metal bat because of minimized trampoline effect. The wood bat does not ping as loud as metal meaning that it imparts most of the stored elastic energy to the ball with less energy left in the wall of the bat to vibrate (9). Other possible reasons the wood bat was better with enhanced exit velocity are hitting with the harder grain or the shape of the balls (possibly deformed on the harder wood bat), and differences in manufacturing of the bats. These reasons also support why the wood bat performed superior in the 40 MPH test. When 10 balls were hit on both bats with 30 MPH and 40 MPH pitches, the measured exit velocity ranged from 40-63 MPH at low, medium and highest velocities confirming that most of the stored energy is returned to the ball without significant dissipation.  

Discussion

The trampoline effect describes noticeable elasticity in objects impacting at high speeds with applicability to sports such as baseball (the ball and bat), golf (the ball and club), and tennis (the ball and racquet) such that they act like a spring analogous to when we jump on the trampoline  and get bounced back. In baseball, the elasticity of a bat upon the impact of baseball is different for wood and aluminum bats. Typically, when the baseball hits a wood bat, the ball compresses losing more than half of its energy, but when using a hollow aluminum bat, the bat compresses rather than the ball.

The fundamental physics understanding of the trampoline effect in baseball and softball bats was documented by Nathan et al. two decades ago (10) who identified that upon the high-speed impact between a bat and baseball, the original center-of-mass kinetic energy is transformed into compressional energy. Certain energy is stowed in vibrational modes (hoop modes), providing this stored energy to the baseball with minimum dissipation of energy with larger ball exit velocity due to the trampoline effect (10). In other words, the elasticity of a bat upon the impact of baseball determines the magnitude of the resultant trampoline effect (Fig. 5). Typically, when the ball impacts on the aluminum bat, because of its hollow nature the bat barrel compresses to lose energy and returns it to the ball soon after. On the wood bat, the ball compresses and loses up to 75% of energy in frictional forces (10). Typically, during the bat-ball collision, the exit velocity of the ball would be dependent on the effective mass/weight of the bat. However, this is a negligible effect in the experiments reported in this work as both bats possess similar masses. The exit velocity is at its peak at the place on the bat where maximum power was applied on the surface of ball, storing more elastic energy, and subsequently imparting it back to the ball (9).  

Conclusions

Controlling for the barrel size, length, and weight of the bat, it is experimentally measured and observed that aluminum bat is 2-3% superior when balls were hit off of the tee and against 30 MPH machine-pitched balls because of the trampoline effect. Remarkably, for the 40 MPH automatic pitching machine test, the wood bat was 3-4 % superior to the aluminum bat possibly due to high impact speeds with less than 1 ms impact duration with the minimum energy losses in the wood bat or even the strength of the young batter. Even though both bats had similar speeds, exit velocity measurements were measurably different. Therefore, it can be concluded that high quality wood and aluminum bats could lead to analogous outcomes when used in a controlled environment.  

Application in Sport

The outstanding performance of a baseball player can be highly dependent on the selection of a metal or wood baseball bat, its balance, durability and feel in addition to the player’s capabilities. In general, metal bats are known to provide enhanced power, durability, and a broader sweet spot while wood bats provide a traditional feel, tailoring options, and a smaller sweet spot. This article offers insight into the rationale behind selecting a bat with peace of mind for the player, parent, and coach corroborating that high quality (hence expensive) wood or aluminum bats could lead to analogous outcomes with 1-2% variations when used in a controlled environment. Eventually, use of a metal or wood baseball bat is a personal choice, guided by player strength and abilities. 

References

1. Patrick Drane, Joshua Fortin-Smith, James Sherwood, and David Kretschmann, Predict the relationship between wood baseball bat profile and durability, Procedia Engineering,  2016, 147, 425–430. 
2. Alan M. Nathan, J. J. Crisco, R. M. Greenwald, D. A. Russell, Lloyd V. Smith, A Comparative study of baseball bat performance, Sports Engineering, 2011, 13, 153-162. 
3. Daniel A. Russell, Acoustics and vibration of baseball and softball bats, Acoustics Today, 2017, 13(4), 35.  
4. Mahesh M Shenoy, Lloyd V Smith, John T Axtell, Performance assessment of wood, metal and composite baseball bats, Structures, 2001, 397-404. 
5. Blake Campshure, Patrick Drane and James A. Sherwood, An investigation of wood baseball bat durability as a function of bat profile and slope of grain using finite element modeling and statistical analysis, Appl. Sci. 2022, 12, 3494.  
6. P. J. Drane & J.A. Sherwood, The effects of moisture content and work hardening on baseball bat performance, Materials Science, 2003, 1-7 (Corpus ID: 44456022). 
7. J. J. Crisco, R. M. Greenwald, J. D. Blume, and L. H. Penna, Batting performance of wood and metal baseball bats. Med. Sci. Sports Exerc., 2002, 34, 10, 1675–1684. 
8. Nippon Kikai Gakkai Ronbunshu, C Hen, Study on throw accuracy for baseball pitching machine with roller (Study of Seam of Ball and Roller), Transactions of the Japan Society of Mechanical Engineers, Part C, November 2007, 73(735):2962-2967. 
9. R. Cross, Physics of Baseball & Softball, Springer Science Business Media, LLC 2011, Chapter 13, 221- 234. 
10. Nathan, D. A. Russell, L. V. Smith, The physics of the trampoline effect in baseball and softball bats, Physics, 2004, Corpus ID: 6993139. 

Qshequilla Parham Mitchell2024-09-23T09:54:55-05:00

Prevalence of Normal Weight Obesity Amongst Young Adults in the Southeastern United States

Qshequilla Parham Mitchell2024-09-23T09:54:55-05:00September 23rd, 2024|Sports Health & Fitness|

Authors: Helena Pavlovic, Tristen Dolesh, Christian Barnes, Angila Berni, Nicholas Castro, Michel Heijnen, Alexander McDaniel, Sarah Noland, Lindsey Schroeder, Tamlyn Shields, Jessica Van Meter, and Wayland Tseh*

AUTHORS INSTITUATIONAL AFFILIATION: School of Health and Applied Human Sciences, University of North Carolina Wilmington, Wilmington, North Carolina, United States of America

Drawing from antecedent research studies, dual-energy X-ray absorptiometry (DXA) is acknowledged as the clinical gold standard for appraising body composition (9, 10, 12, 21, 25, 26, 42, 47). However, a notable drawback of DXA lies in its emission of low-level radiation (6, 9, 32, 45, 47), thereby subjecting clients to unnecessary radiation exposure (1, 33). An alternative method is utilizing the BOD POD^® Gold Standard (GS), which employs air displacement plethysmography to estimate body composition. Previous literature has heralded the BOD POD^® GS as the applied, pragmatic gold standard for assessing body composition due to its validity (2, 7, 38), as well as its within- and between-day reliability (48). Additionally, owing to the BOD POD^® GS’s facile and non-invasive procedures, most individuals can attain accurate measures of body composition values, specifically pertaining to percent body fat, enabling the discernment of pounds of fat-free mass and fat mass.

According to the American College of Sports Medicine (ACSM), males with a percent body fat ≥ 25% and females ≥ 32% (4) are predisposed to an elevated risk of developing a myriad of hypokinetic diseases, notably cardiovascular disease(s), metabolic syndrome, and cardiometabolic dysfunction (14, 27, 35, 37, 39, 40, 43, 44, 46, 51, 56). Another evaluative approach involves the calculation of Body Mass Index (BMI), derived from dividing body weight in kilograms by square of height in meters (4). Given the ease and efficiency of calculating BMI, the obesity-related classification in which it provides at the individual level is potentially flawed (3, 8, 22, 24, 41, 53, 56).

Presently, within the United States, a dearth of research exists on the prevalence of normal weight obesity (NWO) amongst apparently healthy young adults (11,52). Normal weight obesity is characterized by individuals exhibiting a low BMI (<18.5 kg∙m^-2) or normal BMI (18.5 – 24.9 kg∙m^-2) yet manifesting obesity-related percentage body fat values (male = ≥20%; female = ≥30%) (5, 14, 20, 36, 37, 40, 43, 44, 57). Individuals with low/normal BMI and high percentage body fat values face an augmented risk of hypokinetic diseases, as their seemingly normal exterior masks a deleteriously high amount of body fat beneath the surface layer. Previous research endeavors have revealed the prevalence of NWO amongst a population of South Americans (14, 34, 40, 44), Central Europeans (15), and Asians (28-30, 37, 54, 55, 57, 58). Given that most aforesaid research studies on NWO have been conducted internationally, it is of paramount interest to ascertain the prevalence of NWO domestically. Consequently, the primary objective of this research study is to investigate the prevalence of normal-weight obesity among a sample of ostensibly healthy males and females.

METHODS

Participants

All participants were required to report to the Body Composition Laboratory to complete a singular session. Before the participants arrived, volunteers were instructed to abstain from consuming caffeinated sustenance or beverages that may acutely influence body mass. Moreover, researchers advised participants to refrain from vigorous physical activity/exercise the night before and prior to their appointed session. Upon arrival, volunteers read and signed an informed consent form approved by the University’s Institutional Review Board for human subject use (IRB#: H23-0499). As displayed in Table 1, a cohort comprising 254 male and female volunteers were recruited to participate in this study.

Below highlights the details of the singular Session required for each participant.

Body Mass Index (BMI)

Before each assessment, participants were asked to remove any unattached item(s) from their body, such as shoes, socks, rings, bracelets, and/or glasses.  Height was measured to the nearest 0.5 cm as participants stood barefoot, with both legs together, with their back to a Seca 217 Mobile Stadiometer (Model Number 2171821009, USA).  Body mass was measured on a Tanita Multi-Frequency Total Body Composition Analyzer with Column (Model DC-430U, Tanita Corporation, Japan) to the nearest 0.1 kg.  Body mass index was calculated using body mass expressed in kilograms (kg) divided by height expressed in meters squared (m²).  Body mass index categorizations, set forth via ACSM (4), for low BMI was (<18.5 kg∙m^-2) and normal BMI was (18.5 – 24.9 kg∙m^-2).

BOD POD^® Gold Standard (GS)

BOD POD^® Gold Standard (GS) (COSMED USA Inc., USA) was calibrated daily according to the manufacturer’s instructions with a 50.238 Liter cylindrical volume provided by COSMED USA Inc.  Specific details illustrating the technicalities of the calibration mechanism are published elsewhere (16, 18).  Because different clothing schemes have been shown to underestimate percentage body fat (%BF) results from the BOD POD^® (19, 49), female participants were instructed to wear one- or two-piece bathing suit or sports bra and compression shorts, while male participants were instructed to wear form-fitted compression shorts.  All participants wore a swim-like cap provided by COSMED USA Inc.  After race, height, and age were inputted by a technician into the BOD POD^® GS kiosk, participants were asked to step on an electronic scale to determine body mass to the nearest .045 kg.  Once the BOD POD^® GS system recorded body mass, participants were instructed to sit comfortably and breathe normally within the BOD POD^® GS for two trials lasting 40 seconds per trial.  A third trial was conducted if Trials 1 and 2 had high variability.  Once both (or three) trials were conducted, body composition values, specifically, body mass, percent body fat, fat-free mass, and fat mass, were immediately displayed on the kiosk viewer and recorded by a technician.  Once height, body mass, and body composition assessments were completed, participants dressed back into their original clothing and exited the Body Composition Lab.

Statistical Analyses

Descriptive statistics (mean ± SD) were derived to describe the sample population.  A Chi-Square Goodness of Fit Test was used to determine the prevalence of low/normal BMI values with obesity-related percent body fat.  For all analyses, statistical significance was established at p < 0.05.

RESULTS

At the conclusion of the study, 254 volunteers were recruited, and zero dropped out, therefore, all 254 participants’ results were included in the statistical analyses. Table 2 displays the descriptive measures of the study participants.

The chi-squared statistic was 1.886 (df = 1, p = 0.17) indicating no statistical difference in NWO between males (17.2%) and females (9.8%).

DISCUSSION

As stated previously, there is a dearth of data determining the prevalence of NWO domestically, more specifically, within the southeast region of the United States.  Therefore, the primary objective of this research study was to investigate the frequency of NWO amongst a sample of apparently healthy individuals.  Participants completed a singular data collection session whereby height, body mass, and percentage body fat were quantified via BOD POD^® GS.  Within this current study, low and normal BMI classifications were <18.5 kg∙m^-2 and 18.5 – 24.9 kg∙m^-2, respectively.  Class I obesity for females and males were ≥ 32% and ≥ 25%, respectively.  Given said thresholds, data revealed that 12.2% of the overall sample exhibited NWO, with a higher prevalence amongst males (17.2%) compared to females (9.8%).  These findings are relatively comparable within other research investigating the prevalence of NWO amongst a sample of young adults (5, 35, 44, 57).

In 2017, Ramsaran and Maharaj investigated the prevalence of NWO within a cohort of 236 young adults (mean age = 21.3 ± 2.5 years).  The quantification of %BF was accomplished using the Tanita Ironman body composition analyzer.  Subsequent data analyses unveiled a heightened prevalence of NWO among the male participants (14.4%), surpassing their female counterparts (5.5%).  The outcomes of the current study align with the findings reported by Ramsaran and Maharaj (44), wherein NWO manifested in 17.2% of males and 9.8% of females. A nuanced distinction between the two investigations lies in the designated thresholds for %BF. Ramsaran and Maharaj (44) set the elevated %BF thresholds at ≥ 23.1% for males and ≥ 33.3% for females. In contrast, the current study employed thresholds of ≥ 25.0% for males and ≥ 32.0% for females.  Notwithstanding the marginal elevation (+1.9%) in the %BF threshold within the current study, males exhibited a greater prevalence (+2.8%) compared to Ramsaran and Maharaj’s (44) dataset.  Conversely, the current study adopted a lower %BF threshold (–1.3%) for females and uncovered a higher prevalence of NWO (+4.4%).  These subtle yet discernible variations in %BF thresholds may elucidate the divergent prevalence rates of NWO observed between the two scholarly investigations.

Akin to Ramsaran and Maharaj (44) and the present investigation, Anderson and colleagues (5) examined the incidence of NWO within a more modest cohort of 94 young adults (mean age = 19.6 ± 1.5 years).  The quantification of %BF was assessed via DXA. The %BF thresholds were predicated on National Health and Nutrition Examination Survey standards, establishing obesity values of ≥ 30.0% for males and ≥ 35.0% for females.  Findings elucidated an NWO prevalence in males (26.7%) and females (7.8%). Noteworthy is the marked elevation in male NWO rates (+9.5%) and marginal reduction (–2.0%) in female NWO rates compared to the current study.  While discrepancies may be attributed to variances in sample size (254 in the present study vs. 94 in Anderson et al.), divergent methodologies for %BF assessment (utilizing BOD POD® GS presently as opposed to DXA in Anderson et al.), and distinct %BF thresholds (ACSM criteria in the current study versus NHANES in Anderson et al.), the overarching findings remain concordant. Specifically, data from all three research investigations underscore the consistent pattern wherein males manifest elevated NWO prevalence rates relative to their female counterparts.

In contradistinction to the two previous research investigations and the current study, Zhang et al. (57) explored the NWO prevalence amongst 383 young adults (mean age = 20.4 ± 1.6 years). Assessment of %BF was executed through bioelectrical impedance analyses (BIA) employing the InBody 720 device. Obesity classification was contingent upon threshold values of ≥20.0% for males and ≥30.0% for females, as established by Zhang and associates (57).  Analyses unveiled an NWO prevalence of 13.2% in males and 27.5% in females, a prominent deviation from the present study’s findings. The contrasting NWO prevalence patterns observed between the two studies are notably discernible. Specifically, Zhang and colleagues (57) reported a higher prevalence in females than males, whereas the current investigation revealed the converse. This discordance is seemingly attributable to variances in the %BF thresholds implemented for obesity classification. Zhang et al. (57) utilized a considerably lower threshold for males at 20.0%, as opposed to the 25.0% threshold applied in the current study. Similarly, for females, Zhang et al. (57) employed a lower %BF threshold at 30.0%, whereas the present study utilized a more conservative threshold of 32.0%. Moreover, a salient methodological distinction lies in the apparatus employed for %BF quantification. The current study utilized the BOD POD^® GS, acknowledged as the applied gold standard for assessing body composition, while Zhang et al. (57) employed the InBody 720 BIA. These methodological nuances likely contribute to the divergent findings between the present research and Zhang et al. (57), underscoring the importance of rigorously evaluating both threshold criteria and assessment modalities when interpreting and comparing NWO prevalence data.

In a recent investigation, Maitiniyazi et al. (35) endeavored to ascertain the prevalence of NWO within a cohort of 279 young adults (mean age = 21.7 ± 2.1 years). Percentage body fat was assessed utilizing the InBody 770 BIA method.  Obesity classification thresholds were established at 20.0% for males and 30.0% for females.  Parallel to the observed NWO patterns delineated by Zhang and colleagues (57), Maitiniyazi et al. also discerned a higher prevalence of NWO in females (40.1%) as opposed to males (25.5%).  Notably, while these NWO trends align with the patterns identified by Zhang et al. (57), they markedly deviate from the outcomes of the current investigation.  Such discordant findings may find elucidation in the nuanced disparities in the thresholds employed to categorize obesity and the instrumentation deployed for %BF quantification.  Specifically, the divergence in %BF thresholds used for obesity classification emerges as a significant factor. Maitiniyazi et al. (35) employed thresholds different from those of Zhang et al. (57) and the current study, thereby contributing to the observed inconsistencies. Additionally, the equipment utilized to quantify %BF introduces another layer of methodological variation. While Zhang et al. (57) implemented InBody 720 BIA and the current study utilized BOD POD^® GS, Maitiniyazi et al. deployed the InBody 770 BIA method.  These divergent methodological approaches underscore the imperative of meticulous consideration when interpreting and comparing NWO prevalence data, highlighting the multifaceted nature of the interplay between obesity thresholds and assessment methodologies in elucidating NWO prevalence.

CONCLUSIONS

This comprehensive investigation contributes significantly to our understanding of NWO prevalence within a young adult population, particularly within the Southeast region of the United States.  The study employed the BOD POD^® GS for precise measurement of height, body mass, and percentage body fat, revealing a higher, but not statistically different, prevalence in NWO between males and females.  These results align with similar studies collectively emphasizing the consistent pattern of elevated NWO prevalence in males relative to females.  The study’s alignment with said research investigations further underscores the robustness of the findings, notwithstanding variations in sample size, methodology, and threshold criteria.  Conversely, discrepancies with other research investigations highlight the sensitivity of NWO prevalence to %BF thresholds and assessment modalities.  Despite the divergence in outcomes, these studies collectively reinforce the need for careful consideration of methodological nuances in interpreting and comparing NWO prevalence data.

APPLICATION IN SPORTS

From a practical perspective, the findings emphasize the importance of incorporating regional and demographic variations when assessing NWO prevalence.  Furthermore, the study underscores the relevance of employing standardized methodologies in ensuring consistency and comparability across investigations.  Future endeavors in this domain should continue to explore regional variations, refine %BF threshold criteria, and employ advanced methodologies for accurate NWO characterization.  This knowledge is pivotal for tailoring preventive measures and interventions; more precisely, accurately identifying NWO individuals is an opportunity for clinicians to proactively educate their clients regarding the health risks associated with hypokinetic disease(s), particularly cardiovascular disease(s), metabolic syndrome, and cardiometabolic dysfunction.

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Qshequilla Parham Mitchell2024-09-16T09:32:10-05:00

Adult exercisers’ attitudes toward female and male personal fitness trainers: Influence of gender, age, and exercise experience

Qshequilla Parham Mitchell2024-09-16T09:32:10-05:00September 13th, 2024|General, Sport Training|

Authors: Edward P. Hebert¹, and Jada McGuin²

Keywords: personal training, beliefs, perceptions, biases

INTRODUCTION

Recent decades have seen a great expansion of the fitness industry signaled by an increase in the number of adults exercising in fitness centers around the world. This rise has been attributed to a number of factors including global recognition of the benefits of physical activity, endorsement of exercise by the medical community, and growth of the fitness industry (1, 29). Yet, exercise adherence remains problematic (9, 25, 37, 38, 41) and fitness clubs tend to have low retention rates (7, 17, 18, 29, 36, 42). The practice of exercising with a personal fitness trainer (PFT) has increased in popularity and personal training has become a standard feature in many settings (5, 27, 29, 43, 44). PFTs design and supervise exercise programs, and help clients set and reach personal goals. In addition, they engage in practices to promote an active lifestyle, motivate clients, and facilitate their exercise competence and self-efficacy, which can play an important role in exercise adherence (29, 35, 44). Studies of consumers consistently identify a fitness club’s staff, and fitness leaders’ instruction, feedback, and support as among the most important factors in customer satisfaction (19, 33). In addition, satisfaction with individualized training is positively associated with exercise motivation and self-efficacy (44). Consistent evidence points to the benefits of exercising with a PFT. Studies show that individuals who train with a PFT are more likely to attend exercise sessions and adhere to programs (2, 14, 22, 32). Those who train with a PFT have been found to exercise at higher intensities (31, 40) and make greater strength and fitness gains (30, 31) than those who exercise independently. These results are similar to findings comparing individuals who train alone vs. under the supervision of a fitness professional (11, 16).

Studies of fitness settings have often concluded that gender plays a role in gym-related attitudes and behaviors. In their review, Håman et al. (20) suggested fitness gym spaces are strongly associated with male bodies and norms, and gender norms influence social practices and behaviors there. Exercise motivation has been tied to weight loss for women and enhancing muscularity among men (24). Certain types of exercise are considered masculine or feminine, and exercisers have been shown to use gendered language to refer to areas of the gym (8). Interview-based studies of PFTs indicate that a clients’ gender influences their advice (20) and they recognize that gender plays a role in clients’ selection of a trainer (35).

The results of previous interview-based studies (27, 34) indicated that women prefer a female PFT. This preference is based on perceptions of being less self-conscious about their bodies with a female trainer, and the beliefs that a female trainer would better understand and empathize with their struggles with exercise and comfort levels in the gym. Survey-based research comparing perceptions of male and female fitness trainers have studied the attitudes of college students, and produced mixed results. In their study of 402 undergraduates, Fisher et al. (15) found no clear preference for a male or female PFT, yet hypothetical female PFTs received higher ratings for general perceptions of competence, and participants’ willingness to discuss progress and take instructions/corrections from them, compared to male trainers. Boerner et al. (5) similarly found that college undergraduates perceived female PFTs as more competent and knowledgeable than males. However, male students preferred to work with a male fitness trainer, while female students had no gender preference. Similarly, Magnusen and Rhea (28) found female college Division I athletes had no preference for a male or female strength coach, whereas males preferred a male coach.

Thus, research to date on attitudes toward male vs. female PFTs has provided mixed results, and survey-based studies to date have exclusively examined perceptions of college students, which may be different from non-college aged adults. In addition, research has yet to examine how attitudes toward male/female fitness trainers may vary with other potentially-influential factors such as age and exercise experience. Thus, the purpose of this exploratory study was to examine attitudes toward male and female PFTs in a sample of adult members of fitness gyms, and compare responses with respect to participant gender, age, and exercise experience.

METHODS

Participants

Participants were 201 (144 female; 57 male) adult members of four fitness centers from one city in the southeast United States who responded to an online survey. They ranged in age from 18 to 77 years (mean = 35.87, SD = 14.87 years). Self-reported experience levels were Beginner (n=59), Intermediate (n=91) and Advanced (n=51). Over half of the sample indicated exercising four or more times per week (54.9%), with 25.3% indicating three times per week, and 20.1% once a week. Table 1 provides the number and percent of male and female participants in age and exercise experience groups.

Procedures

Prior to data collection, the study was approved by the Institutional Review Board of the authors’ university. Participants were recruited from fitness centers via email with the cooperation of the managers. Two facilities were small gyms that offered only individual and small group training, and two were larger traditional fitness centers that housed a variety of equipment and amenities, and provided personal training services and group exercise classes as well as independent exercise. A recruiting email with a link to an anonymous online survey was sent to all members of the two small gyms, and members of the larger gyms who had expressed interest in personal training. Participants were assured of anonymity and informed their participation was voluntary and they were providing consent to participate by completing the survey.

Data were collected February-March 2021 using a survey created for the study. Survey items were based on and relatively similar to those used in previous research on attitudes toward female/male fitness trainers (15). Item content was guided by previous research examining criteria for selecting a PFT (20, 29, 35) and on reasons people may prefer a male/female PFT (27, 34). After initial development, the survey was reviewed by researchers with expertise in fitness who provided feedback and recommendations.

The first section sought demographic information including gender, age, level of fitness experience (beginner, intermediate, or advanced), and frequency of exercise during the last month. The next section focused on participant’s attitudes about working with a PFT, specifically how their attitudes would be influenced by the trainer’s gender. It included 6 face-valid items: (1) “My belief about the trainer’s knowledge about fitness,” (2) “My belief in the trainer’s desire for me to meet my personal fitness goals,” (3) “My willingness to follow the trainer’s directions about exercise,” (4) “My level of comfort discussing my struggles with exercise with the trainer,” (5) “My willingness to continue working with the trainer for an extended length of time,” and (6) “My willingness to refer clients to the trainer.” Participants responded to teach item on a 5-option scale: Higher for a female trainer, slightly higher for a female trainer, the same for a female or male trainer, slightly higher for a male trainer, or higher for a male trainer.

Data Analysis

For data analysis, ratings were translated to a numerical scale from -2 to 2 with the neutral response in the center: (-2) Higher for a female trainer), (-1) Slightly higher for a female trainer), (0) The same for a female or male trainer, (1) Slightly higher for a male trainer, and (2) Higher for a male trainer. Responses were also coded categorically as neutral, or favoring a male or female trainer. Descriptive statistics (mean, standard deviation, and percent of responses indicating a neutral response or favoring a female/male PFT) for responses to each item are reported for the entire sample.

Responses were also analyzed with respect to three independent variables (gender, age group, and fitness experience). Three levels of fitness experience were self -reported Beginner, Intermediate, and Advanced. For the purpose of the study, participants were divided into two age groups operationally defined as younger (18-39 years) and older (40 years and older) exercisers. Numerical responses were analyzed using three separate MANOVAs with the 6 survey items as dependent measures. Significant main effects were further analyzed using independent t-tests or one-way ANOVA. Partial Omega Squared (η_p²) and Cohen’s d were reported as indicators of effect size. In addition to these analyses, the percent of participants whose responses were neutral or favored a male or female PFT were reported for groups.

RESULTS

As shown in Figure 1, as a whole, participants tended to have higher ratings of male PFTs relative to fitness knowledge, willingness to follow their directions, working with the trainer for an extended time, and referring clients to them. However, they tended to perceive a female PFT more favorably for discussing their struggles with exercise. The percent of responses that were neutral or favored a male/female trainer yielded similar patterns. Overall, more people indicated positive attitudes toward a male than a female PFT for expectations of fitness knowledge (31.3% vs. 5.5%), as well as willingness to follow the trainer’s directions (29.9% vs. 10.9%), working with the trainer for an extended time (20.9% vs. 11.9%), and referring other clients to the trainer (17.4% vs. 5.5%). For comfort discussing struggles with exercise, 41.8% indicated a preference for a female trainer with only 24.4% preferring a male trainer. For most items, 50-60% of participants indicated a neutral response (the same for a male or female trainer), with the exception of comfort discussing concerns for which only 33.3% indicated no preference.

Attitudes of Male and Female Respondents

As shown in Figure 2, responses of male and female exercisers showed clear gender differences. Mean values indicated men rated a male PFT higher than a female PFT for all items. By comparison, female exercisers’ responses tended to vary more across items, and average responses were near neutral for several items. The MANOVA indicated significant differences between male and female respondents were present [Wilks’ Lambda=.845, p<.001, η_p²=.16]. Follow up comparisons indicated significant differences for four items: expectations for the trainer to help meet personal fitness goals [t(199)=4.20, p<.001, Cohen’s d=1.14], willingness to follow the trainer’s directions [t(199)=2.71, p<.01, Cohen’s d=1.00], comfort discussing exercise struggles [t(199)=5.24, p<.001, Cohen’s d=1.24], and willingness to work with the trainer for an extended time [t(199)=2.01, p<.05, Cohen’s d=.93].

Gender-biased patterns were also evident in the percent of ratings which were neutral vs. favored a male or female PFT (see Table 2). A higher percent of male exercisers indicated they would be more comfortable discussing their struggles with a male (43.9%) than a female trainer (17.5%), whereas female exercisers indicated a preference for a female (51.4%) over a male PFT (16.9%). A similar same-gender preference was indicated for perceptions of the trainer’s desire to help meet personal fitness goals, and working with them for an extended time.

Attitudes of Younger vs. Older Exercisers

Older exercisers (aged 40 and over) tended to favor a male PFT for all items, whereas younger exercises (18-39 years) had more varied responses and were near neutral for several items (see Figure 3). Responses were found to vary significantly by age group [Wilks’ Lambda= .884, p<.05, η_p²=.06]. Follow-up comparisons indicated significant differences for two items: meeting personal goals [t(197)=2.88, p<.01, Cohen’s d=0.45], and discussing struggles [t(197)=3.18, p<.01, Cohen’s d=0.49]. As indicated in Table 3, for these items, older exercisers tended to have either neutral attitudes or favor a male trainer, whereas younger exercisers more often favored a female trainer.

Variation as a Function of Exercise Experience

Mean scores for individuals varying in exercise experience are shown in Figure 4. The MANOVA comparing responses was significant [Wilks’ Lambda=.839, p<.001, η_p²=.08]. One way ANOVA follow-up comparisons indicated a significant difference for only one item: expectations for the PFT’s knowledge [F(2,198=7.14, p<.001, η_p²=.086]. Post-hoc Student-Newman-Keuls comparisons indicated beginning exercisers had significantly greater expectations of fitness knowledge for male trainers (p<.05), whereas knowledge expectations of male vs. female trainers were similar for exercisers with intermediate or advanced experience. Examination of response percentages (Table 4) shows a clear pattern of reduced gender-bias as exercise experience increased. For example, only 35.6% of beginner-level exercisers indicated expectations for a trainer to help them meet personal exercise goals would be the same for a male or female trainer, but this neutral rating increasing to 53.8% of intermediate exercisers, and 64.7% of advanced exercisers. This same pattern of increasing neutral response with higher exercise experience was observed for all items.

DISCUSSION

Research supports the benefits of exercising with a PFT (2, 14, 22, 30, 32, 40), and evidence suggests that gender plays a role in exercise attitudes and behaviors, including selection of a trainer (20, 26, 35, 39). Previous survey-based research on attitudes toward male and female PFTs have studied undergraduate students; attitudes of adult fitness center members have not been investigated. An additional limitation of existing research is the failure to examine variables that may play a role in these attitudes. This study examined attitudes toward male and female PFTs among 201 adult fitness center members. Perceptions were reported for the entire sample, and analyzed relative to participant gender, age group, and exercise experience.

As a whole, more participants favored a male over a female trainer for expectations of fitness-related knowledge, willingness for follow the trainer’s directions, working with the trainer for an extended time, and referring other clients to them. However, adults tended to be more comfortable discussing struggles and concerns with exercise with a female trainer. Fisher et al. (15) similarly reported college students had a more positive attitude about discussing progress with female than male trainers.

Age Differences

Our results showed age-related attitudinal differences. Specifically, older exercisers favored a male PFT, whereas younger respondents favored a female PFT primarily with respect to two items: assistance achieving personal goals and discussing exercise-related struggles. These findings are different from those reported in studies of college students, who overall, viewed female PFTs as more competent and knowledgeable than males (5, 15). Thus, these age-related attitudinal differences may be one of the more notable findings of this study, and may reflect changes in broader gender role-related attitudes among generations (10, 13).

Differences among Male and Female Exercisers

Comparisons between the responses of male and female exercisers revealed two important findings. First, men rated a male PFT higher than a female PFT for all items, while female exercisers’ ratings were more neutral. This is consistent with previous research on college students (5) and Division I university athletes (28) that indicated males preferred to work with a male PFT or strength coach, while females had no clear preference. Second, large and significant differences were observed between responses of men and women for several attitudes including those associated with knowledge, help meet personal goals, following directions, discussing concerns, and working with the trainer for an extended time. While men rated a male PFT higher for all items, women had more favorable perceptions of female PFTs for two specific items: discussing their struggles with exercise, and expectations regarding the trainer’s desire to help them meet personal fitness goals.

These findings align favorably with the results of previous interview-based studies indicating that women who choose a female PFT attribute this decision to beliefs that a female would have a greater empathy for them, and a better understanding of their bodies, struggles, and comfort levels (27, 34). These findings are also consistent with gender-preference research in healthcare. Drummond et al. (12), for example, found that college athletes felt more comfortable when provided care by an athletic trainer of the same gender, and a same-gender healthcare provider preference has been found for physicians and nurses when interactions are of an intimate nature (6, 23). When providing reasons for a healthcare provider of the same gender, women indicate it is due to comfort levels discussing problems and the perception that a female provider will take more personal interest in them (23).

Experience as a Mediator of Gender-Bias

We also examined attitudes toward male/female PFTs as a function of exercise experience, and used self-ratings as the basis for group formation. Comparisons indicated that, as exercise experience increased, gender-biased ratings decreased. Among beginning exercisers, 37% indicated their expectations for a PFT’s knowledge was neutral (the same for a male or female), whereas 65% of intermediate and 90% of advanced exercisers indicated so. This pattern of increasing gender-neutrality with exercise experience was observed for all items. These results suggest that gender-biased attitudes toward male/female PFTs may reduce with experience. This interpretation is consistent with the ideas that, while fitness-based attitudes and practices are influenced by gender norms and expectations, they are not fixed, but are fluid and can be changed with experience (3, 4, 20).

CONCLUSIONS, LIMITATIONS, AND DIRECTIONS FOR FUTURE RESEARCH

The results of this study indicate that many adult exercisers have gender-biased perceptions of PFTs with higher expectations for a male trainer’s fitness-based knowledge, and willingness to follow a male trainer’s directions and refer clients to him, yet are more comfortable discussing their struggles with a female trainer. Consistent with prior research on college students, these attitudes vary with participant gender. Men had stronger preferences for a same-gender PFT than women did, yet many women tended to favor a female PFT for interest in their personal goals and discussing their struggles and concerns. In addition, potentially important findings from this study are that gender-biased attitudes varied by age and exercise experience. Further research examining how these and other factors and experiences influence gender-referenced perceptions of fitness and fitness professionals is warranted, as is extending research on fitness-related attitudes beyond that of college students.

Previous research on this topic (5, 15) has primarily surveyed convenience samples of undergraduate students whose participation and experience in exercise was unknown, whereas participants in this study were adult fitness center members primarily between 20 and 39 years of age, most who identified as having intermediate or advanced exercise experience, and who exercised 3 or more times a week. Thus, the findings of this study may be more generalizable to typical adults who exercise on a regular basis. However, it should be acknowledged that, while data were derived from a sample of adults from multiple fitness centers, all gyms were from the same region of the U.S., and respondents were primarily female. Age-related differences were examined among two groups with an arbitrary dividing point. Thus, future research on this topic using more varied samples, more adult males, among varying age groups, and additional potentially influential variables is recommended.

APPLICATIONS IN SPORT

Fitness professionals should recognize that gender plays a role in exercise attitudes and behaviors, including the selection of PFTs and exercise leaders to work with. Data from this study highlight specific beliefs that may play a role in PFT preferences, and how these preferences vary with exerciser’s gender, age, and level of exercise experience. As a result, fitness professionals can strive to behave and communicate in ways that both support clients’ preference, but also seek to overcome biases that may exist.

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George Minoso2024-08-27T15:53:24-05:00

An examination of studies related to Brazilian jiu-jitsu in enhancing mental and physical health among veterans and first responders: A scoping review

George Minoso2024-08-27T15:53:24-05:00August 30th, 2024|General, Sport Training, Sports Exercise Science|

Authors: Richard O. Segovia PhD, EdD¹, Alexander Buelna, PhD², and Brian Sunderman, MA³

Richard O. Segovia, PhD, EdD, is an adjunct professor and dissertation chair at Liberty University in Lynchburg, VA, and an academic evaluator at Western Governors University in Salt Lake City, Utah. Dr. Segovia’s research interests focus on learning and teaching, combat sports, law enforcement practices, and educational leadership.

Alexander Buelna, PhD, is currently a deputy associate commissioner with Texas Health and Human Services. Dr. Buelna’s areas of research interest includes post-traumatic stress’s impact on veterans and efficient business processes.

Brian Sunderman, MA, is the officer in charge of the Texas Department of Public Safety’s Arrest and Control Tactics Unit. Lieutenant Sunderman’s research interests include the utility of Brazilian Jiu-Jitsu in law enforcement as a law enforcement force option

An examination of studies related to Brazilian jiu-jitsu in enhancing mental and physical health among veterans and first responders: A scoping review

ABSTRACT

Purpose: This scoping review explores the many benefits of Brazilian Jiu-Jitsu (BJJ) on veterans and first responders, focusing on physical health improvements, psychological benefits, and social integration. The purpose is to synthesize existing literature to identify research gaps and suggest directions for future studies. By examining both qualitative and quantitative research, this review seeks to show the utility of BJJ as a therapeutic modality option and propose it as a comprehensive intervention for enhancing the overall well-being of veterans and first responders. Methods: PubMed and Google Scholar searches were conducted to capture a broad range of studies involving BJJ with veterans or first responders. This review adheres to the PRISMA-ScR guidelines, focusing on studies discussing physical, mental, and social outcomes. Results: The initial search yielded numerous qualitative and quantitative studies. This review categorizes the findings into themes of physical health improvements, psychological benefits, and social integration, highlighting the variability and scope of the existing literature. Conclusions: The review highlights the need for well-structured research to substantiate BJJ’s therapeutic benefits. It recommends areas for in-depth exploration in future systematic reviews or primary studies, especially longitudinal studies on BJJ’s effects and specific therapeutic contributions. Application in Sport: For coaches and trainers, integrating BJJ into programs for veterans and first responders enhances physical fitness and mental health. BJJ improves cardiovascular health, strength, and endurance and reduces PTSD, depression, and anxiety symptoms. BJJ supports mental resilience and provides a supportive community, helping in social integration and reducing isolation. Incorporating BJJ can holistically enhance the recovery and effectiveness of veterans and first responders.

Key Words: Brazilian Jiu-Jitsu, veteran rehabilitation, PTSD management, therapeutic exercise, community integration

INTRODUCTION

In examining the multi-layered impacts of Brazilian Jiu-Jitsu (BJJ) on enhancing veterans’ and first responders’ mental and physical health, this scoping review examines a significant, emergent area of therapeutic practices. BJJ, a martial art known for its detailed focus on ground fighting and submission holds, offers more than physical training. It is a dynamic intervention that promotes psychological resilience and aids in social reintegration. By synthesizing various studies [6, 13], this review illuminates how BJJ improves physical mobility and mental health outcomes and facilitates the reintegration of veterans into civilian life. Through structured training sessions, BJJ fosters a supportive community environment, addressing the complex rehabilitation needs of veterans and first responders by bridging physical exertion and focus with mental health support. This review explores BJJ’s profound benefits across rehabilitative settings, substantiating its therapeutic value with empirical evidence and detailed analysis.

Although primarily a fighting style and a sport, many are beginning to embrace BJJ as a powerful therapeutic intervention for various purposes. Current research confirms potential scientific benefits from the use of BJJ in physical rehabilitation, psychological resilience, and social integration for populations experiencing high levels of stress – specifically, veterans and first responders. This review is essential at a historical moment when BJJ seems to have a place in therapeutic settings, yet anecdotal evidence essentially underpins current practice. At the same time, an emerging body of empirical literature supports its effectiveness as a sport and work of art. Drawing from qualitative and quantitative research metrics, this scoping review intends to synthesize and expand on the current understanding of BJJ’s multifaceted benefits. This review is relevant because the populations best served by BJJ’s transformative power experience complex physical, mental, and social challenges. These challenges significantly affect vulnerable populations, such as veterans and first responders, due to the cumulative (and sometimes unique) occupational stressors in their working environments.

The purpose of this scoping review is (1) to consider BJJ’s effect on physical health, (2) to assess the psychological benefits of BJJ, (3) to assess BJJ’s social integration utility, and (4) to identify research gaps and potential future studies as it applies to veterans and first responders.

Literature Review

As BJJ gains recognition not only as a martial art but also as a valuable tool for rehabilitation and recovery, it is important to critically examine the breadth and depth of its impact through scholarly research. This review examines the role of BJJ in enhancing the mental and physical health of veterans and first responders, drawing on a rich array of literature that spans clinical studies, systematic reviews, and observational research. This review aims to bridge the gap between theoretical approaches and practical applications in BJJ by synthesizing evidence from diverse academic sources, highlighting its efficacy in fostering physical resilience and psychological and social well-being. The literature discusses how BJJ contributes to rehabilitation processes, supports mental health recovery, and facilitates community reintegration, offering a comprehensive analysis of its benefits.

Rehabilitation and Recovery for Veterans

Rehabilitation and Recovery for Veterans

In recent years, BJJ has emerged as a pivotal intervention for enhancing veterans’ and first responders’ mental and physical well-being. As previously mentioned, this martial art is known for its emphasis on ground fighting and submission. It offers more than just physical training; it provides a structured environment that fosters psychological resilience and social reintegration. For example, studies [3, 16] have documented the significant benefits BJJ offers in rehabilitating soldiers and aiding veterans with PTSD, highlighting improvements in both physical mobility and mental health outcomes. Furthermore, a separate study [5] discusses BJJ’s role in easing veterans’ transition into civilian life, leveraging the discipline’s community-centric nature to combat isolation and build lasting social networks. These collective findings underscore BJJ’s unique position as a therapeutic modality capable of addressing the complex spectrum of veterans’ needs by bridging rigorous physical challenges with psychological and social support.

Physical Rehabilitation and Psychological Recovery

An article on the benefits of BJJ for solider rehabilitation [6] discusses the significant role of BJJ in soldiers’ physical rehabilitation and mental recovery. BJJ’s comprehensive approach helps improve physical mobility and flexibility, often compromised during active-duty service. Engaging in BJJ aids in building both strength and endurance, which is critical for the comprehensive recovery of injured soldiers. Moreover, the mental aspects of BJJ, such as focus and discipline, contribute significantly to psychological resilience, helping soldiers overcome trauma and stress-related challenges.

Additionally, BJJ provides a supportive community for soldiers, fostering a sense of belonging and mutual understanding among peers, which is vital during rehabilitation. This social support, combined with physical training, makes BJJ an effective rehabilitation tool, addressing recovering soldiers’ physical and psychological needs. By participating in BJJ, soldiers work on their physical rehabilitation and gain confidence and mental strength, which are vital for their successful reintegration into everyday life.

PTSD Management and Community Integration

BJJ provides veterans a therapeutic environment that fosters mental discipline and builds a strong community. Engaging in BJJ allows veterans to experience controlled physical interactions, which can be crucial for regaining trust in their bodily responses and reducing hyperarousal associated with PTSD [8]. The structured setting of BJJ classes offers a predictable and safe environment where veterans can learn new skills in a supportive atmosphere. This aspect of predictability and control is essential for helping veterans manage PTSD symptoms effectively.

In addition, the communal aspect of BJJ encourages veterans to form supportive relationships with peers who may share similar experiences. These social connections are invaluable as they help combat the isolation often felt after leaving military service [12]. Through regular training, veterans develop physical strength and emotional resilience, bolstered by the camaraderie found in BJJ gyms [12]. Participants frequently cite this community support as critical to their recovery and civilian life adjustment.

Sustained PTSD Relief

A study on BJJ training as a possible therapeutic modality [13] explored the specific benefits of BJJ for service members and veterans who have PTSD. The research [13] shows significant improvements in PTSD symptoms among participants attributed to the physical exertion and mental focus required in BJJ training. The study highlights how BJJ helps in developing coping strategies for stress and trauma, which are critical for long-term mental health recovery. The repetitive nature of drills and the controlled physical engagements provide a therapeutic outlet for aggression and pent-up emotions.

The study also emphasizes the sense of accomplishment and increased self-esteem from progressing in BJJ. These psychological benefits are crucial for veterans and service members who often struggle with self-worth after leaving service. Training in BJJ offers a structured environment to measure growth through skill levels, providing a tangible sense of progression usually needed after military service.

Reintegration and Social Reconnection

BJJ has also been studied [5] as a powerful tool for veterans’ reintegration into civilian life. The study [5] suggests that BJJ’s disciplined environment helps veterans transition by providing a structured routine similar to that experienced in the military. This similarity helps mitigate the culture shock many veterans experience post-service. Additionally, the physical demands of BJJ provide a healthy outlet for stress and aggression, which are common challenges for veterans adjusting to civilian life.

Furthermore, BJJ fosters a sense of community and brotherhood among its practitioners, which mirrors the camaraderie found in the military. This aspect of social support is crucial for veterans who may feel isolated after their service [5]. The shared experiences in training can lead to lasting friendships and a support network that assists with reintegration, making BJJ an influential social and psychological tool for veterans.

Enhancing Law Enforcement Capabilities

BJJ is also proving to be a transformative tool for law enforcement, offering a multifaceted approach to officer training that extends beyond physical tactics to include significant mental and emotional benefits. BJJ training enhances mental acuity, decision-making under pressure, and interpersonal skills, which are essential in the high-stress context of law enforcement work [9]. These skills help officers manage stressful encounters more effectively, promoting a mindset geared toward de-escalation and controlled responses rather than aggression.

Furthermore, another study [7] highlights the practical impacts of BJJ on use of force protocols, showing how these techniques help maintain calm and control during confrontations, reducing the likelihood of unreasonable or excessive force. This aspect of BJJ training not only improves officer safety but also the safety of the community by minimizing potentially harmful physical interactions. Meanwhile, positive changes in the Marietta Police Department, where BJJ training has reduced injuries and complaints regarding force use, demonstrate BJJ’s potential to enhance team morale and effectiveness [10].

Mental Acuity and Interpersonal Skills Improvement

Research [9] shows the extensive benefits of BJJ, emphasizing its impact beyond just physical techniques to include mental and emotional enhancements. BJJ training can significantly improve mental acuity and decision-making under pressure in law enforcement, where officers often encounter high-stress situations. The practice also fosters resilience and patience, skills that are beneficial in both personal and professional settings. BJJ’s focus on mindfulness and present-moment awareness helps officers handle stressful encounters more calmly and with greater understanding.

Furthermore, the training enhances interpersonal skills, essential for officers who must de-escalate tense situations without resorting to excessive force. BJJ teaches control and restraint, promoting a mindset of protection rather than aggression. Officers trained in BJJ are often better equipped to maintain their safety and that of others while minimizing harm and managing physical confrontations effectively [7]. This holistic approach to training makes BJJ an invaluable tool for law enforcement agencies.

Police Use of Force

An article on the impact of BJJ training on improving use-of-force protocols within law enforcement concluded that training helps officers maintain calm and control in high-stress situations, reducing the likelihood of excessive force [7]. BJJ provides officers with effective yet non-lethal techniques, crucial in safely managing physical confrontations. Additionally, the discipline and mental focus developed through consistent BJJ practice enhance officers’ decision-making abilities, allowing them to assess situations more accurately and respond appropriately. The article suggests that BJJ improves individual officer performance and fosters greater trust and cooperation between law enforcement and the communities they serve, ultimately contributing to safer and more effective policing practices.

The article also discusses the psychological benefits of BJJ training, such as increased confidence and reduced anxiety, which can significantly affect how officers perceive and respond to threats. The enhanced decision-making skills and better judgment officers develop through BJJ training can lead to more positive outcomes in policing encounters, promoting safer community interactions.

Improved Outcomes in Law Enforcement

Research [10] reports on successfully implementing a BJJ program in the Marietta Police Department. The program has led to measurable improvements in officer outcomes, including reduced injuries and fewer complaints regarding the use of force. The training emphasizes skill over strength, equipping officers with the knowledge to control situations effectively without escalating violence.

Furthermore, the program has been instrumental in building team morale and solidarity among officers. The shared experience of training and improving together has strengthened the department’s internal community, which translates into more effective teamwork in the field. This solidarity is crucial for maintaining high standards of police work and ensuring the safety of both officers and the community they serve.

Injury Prevention and Safety Enhancement

The 2021 BJJ Training Data Documents a Reduction in Injuries report from the Marietta (GA) Police Department (MPD), highlighting the tangible benefits of BJJ training in reducing injuries among police officers. The MPD report concludes that comprehensive physical training enhances flexibility, strength, and overall body awareness, leading to this reduction [10]. Officers trained in BJJ are better prepared to handle physical confrontations safely and efficiently, protecting themselves and the individuals with whom they interact. The skills learned in BJJ allow officers to apply force in a controlled manner, significantly lowering the risk of injury.

The data from MPD [3] also underscores the potential for BJJ training to transform standard police training protocols. By incorporating BJJ, departments can ensure that their officers are not only physically capable but also mentally prepared to handle the stresses of law enforcement. This proactive approach to training can reduce workers’ compensation claims, decrease sick leaves due to injuries, and improve overall morale within the department.

Enhancing Physical Fitness and Mental Health

BJJ is a profound physical discipline and a significant enhancer of mental health and community building [1]. This unique martial art offers physiological benefits and underscores how regular BJJ training improves cardiovascular health, muscular strength, and endurance [1]. The mental advantages, such as increased focus and stress reduction, are pivotal in making BJJ a holistic practice for personal health and fitness.

Further insights from the benefits of BJJ in managing PTSD [12] and BJJ as a form of social and psychological therapy [4] deepen our understanding of BJJ’s impact. One longitudinal study demonstrates the sustained effectiveness of BJJ in managing PTSD symptoms, offering a potential therapeutic pathway for veterans and others suffering from chronic stress disorders [12]. Parallelly, a review of BJJ’s social and psychological benefits emphasizes its role in forging strong community ties and enhancing cognitive functions through strategy formulation and problem-solving challenges [4]. Together, these studies [12, 4] present a compelling case for integrating BJJ into wellness and therapy programs to bolster physical robustness and foster a supportive social environment.

Physiological and Psychological Benefits

One systematic review [1] of the extensive physical and physiological demands placed on individuals who practice Brazilian Jiu-Jitsu suggests that BJJ is effective in enhancing cardiovascular health, muscular strength, and endurance. The review also notes the mental benefits of regular, intense physical activity, such as improved focus and stress reduction. The comprehensive nature of BJJ training makes it an excellent form of exercise for improving overall fitness and health.

Furthermore, the review discusses how BJJ athletes develop unique physiological adaptations that enhance their performance. These include increased aerobic capacity, better body composition, and superior muscular endurance. The insights provided by this review suggest that BJJ could be beneficial in cross-training for various activities due to its all-encompassing physical demands and the mental toughness it develops.

Longitudinal Insights

Research provides compelling evidence through a longitudinal study that BJJ has sustained benefits in managing PTSD among veterans [12]. This longitudinal study followed participants over a period, noting significant and lasting decreases in PTSD symptoms among those who regularly engage in BJJ. The work suggests that the combination of physical activity, mental focus, and social interaction inherent in BJJ practice contributes to these positive outcomes.

In addition, the study also highlights how the repetitive and immersive nature of BJJ training can serve as a form of exposure therapy, where participants gradually face and gain control over stress triggers in a controlled environment. Although the work focused on PTSD management among veterans, PTSD is not exclusive only to that group (e.g., law enforcement officers or others who have PTSD after a traumatic event). This method of coping can lead to profound changes in how individuals who suffer from PTSD process and react to stress, potentially providing a blueprint for integrating BJJ into broader PTSD treatment programs.

Building Resilience and Community

In a systematic review, a researcher examined the role of BJJ as both a social and psychological therapy [4]. The review consolidates findings from multiple studies, illustrating how BJJ aids in building strong community ties, which is essential for mental health. The physical closeness and mutual trust required in BJJ training create a unique social dynamic that fosters interpersonal relationships and a supportive network, offering a sense of belonging and community that is often therapeutic. Moreover, the review details how the mental challenges presented in BJJ—such as strategy formulation and problem-solving—enhance cognitive functions and contribute to psychological resilience. These mental benefits complement the physical aspects of BJJ, creating a holistic therapy modality that addresses multiple facets of psychological health.

METHODS

A scoping review of the literature was appropriate to meet the objectives of this study and answer the research question: What benefits does Brazilian Jiu-Jitsu (BJJ) training provide for veterans and first responders in terms of physical, mental, and social health?

This study’s protocol was developed using the scoping review methodological framework [2]. The draft protocol for this review was analyzed by research colleagues and implemented. The protocol consisted of a series of five stages, details of the search strategy and steps of the review process included:

Identifying and collecting relevant studies: Literature searches were conducted across four electronic bibliographic databases: PubMed and Google Scholar. An initial search using the search terms “Brazilian Jiu-Jitsu,” “veterans,” “first responders,” “rehabilitation,” “physical health,” “mental health,” and “community integration” was conducted. This search established salient parameters and eight key search terms to conduct additional searches across the four databases. Those eight critical terms included: (i) Brazilian Jiu-Jitsu and veterans; (ii) Brazilian Jiu-Jitsu and first responders; (iii) BJJ and PTSD; (iv) BJJ for physical rehabilitation; (v) BJJ and conflict resolution; (vi) mental health benefits of BJJ; (vii) physical health benefits of BJJ; and (viii) social integration through BJJ. The collected literature was then screened for relevance to the research question. After removing duplicates, studies were assessed for eligibility. Reference lists of eligible studies were further screened for additional relevant studies.

Study selection: Inclusion and exclusion criteria were established to filter and guide searches for relevant literature. To be included, literature from searches had to meet four inclusion criteria: (i) be from a peer-reviewed journal, a conference presentation, or a published thesis; (ii) published in the English language; (iii) include documented interventions or analysis related to BJJ; and (iv) be quantitative or qualitative. The literature was not restricted by time frame, study population, geographical publication, or type/design of journal article. Collected literature that did not meet all criteria was excluded. However, two colleagues analyzed conflicting literature to reach a consensus for inclusion. By applying the eligibility criteria, two reviewers screened the articles for selection. Blinding was applied at this stage to ensure no bias between reviewers in the selection process. All conflicts between the two reviewers, generated through screening, were discussed to reach a consensus. When conflict remained, the opinion of a third reviewer was sought to reach a consensus. Initially, articles were selected from the title and abstract screening. A second, more in-depth selection was then conducted through full-text screening. December 3, 2023, was the last date that the search was executed.

Charting the data: Once included articles were selected, data was extracted and charted according to author, title, journal, publication year, geographical location, purpose, sample size and type, methodology, intervention type, outcomes, key findings, and barriers. One author extracted and grouped the data, and another validated the data to ensure accuracy. Data were organized and grouped into subtopics according to the identified study purposes: (i) physical health benefits of BJJ; (ii) mental health benefits of BJJ; (iii) social integration through BJJ; (iv) PTSD and BJJ; (v) conflict resolution skills through BJJ; and (vi) physical rehabilitation through BJJ.

Summarizing and synthesizing the results: Authors collectively compared and discussed the charted data. Descriptive statistics were performed to characterize the research literature and to identify the breadth and gaps. Trends across geographic locations and decades of publication of included studies were evaluated. The study results were examined and discussed within each thematic area to determine trends and commonalities. Barriers and gaps were identified within the literature to suggest future areas of study. A consensus between all three authors regarding the critical information generated from the review was reached.

In addition to the scoping review methodological framework proposed by leading scholars in the scoping review methodologies [2]. The researchers for this review followed the PRISMA Extension for Scoping Reviews (PRISMA-ScR) checklist [11]. No risk of bias assessment, summary measures, or additional analyses were conducted in this scoping review following the PRISMA-ScR [11]. No formal review protocol exists.

Figure 1. PRISMA 2020 Flow Diagram. 

Physical Health Benefits

The studies reviewed consistently demonstrated that BJJ training significantly enhances physical fitness, mobility, and injury rehabilitation. According to one study [1], participants showed marked improvements in cardiovascular health, muscular strength, and endurance. These findings align with the report from MPD, which documented a reduction in injuries among law enforcement officers engaged in BJJ, attributing these benefits to the increased physical conditioning that BJJ provides [3]. This comprehensive approach to physical health not only aids in immediate injury recovery but also contributes to long-term physical wellness.

In one example, the graph below adapted data from a study of physical and physiological profiles of BJJ athletes [1] and shows the peak and mean power values for those who train in BJJ, highlighting its intense physical demands.

The graph displays anaerobic power values from two distinct studies. The study of physical and physiological profiles of BJJ athletes [1] dataset provides measurements for both peak power and mean power: 

• Peak Power: This represents the highest instantaneous power output achieved by the athletes during the test. 

• Mean Power: Reflects the average power maintained throughout the Wingate test, typically 30 seconds. 

The colors differentiate the types of power measured: 

• Red Bars: Peak power values from two studies. 

• Green Bars: Mean power values from the same studies. 

The graph highlights variations between studies, underscoring the need for consistent testing methodologies to compare anaerobic capacity accurately across different research. However, the researcher concluded that BJJ athletes possess considerable anaerobic capacity, with peak power outputs exceeding 10 W/kg and mean power outputs close to 10 W/kg. These values demonstrate the athletes’ proficiency in generating and sustaining high levels of power, essential during competitive grappling engagements, such as executing takedowns, resisting submissions, or applying forceful maneuvers. 

In another example, the chart below adapted data from MPD. It showed three distinct bars, each representing the percentage reduction in incidents due to BJJ training within the Marietta Police Department in 2020. 

• The first bar shows a 48% reduction in injuries to officers who used force, indicating significant safety improvements for the officers involved. 

• The second bar illustrates a 53% reduction in injuries to persons who required force during arrest, highlighting the training’s role in protecting the officers and those they encounter. 

• The third bar indicates a 23% reduction in Taser use, demonstrating a shift towards less reliance on electronic control devices, which can be critical in high-tension situations. 

Mental Health Benefits 

The mental health improvements associated with BJJ are particularly significant. Researchers who explored BJJ training for U.S. service members and veterans with symptoms of PTSD found substantial reductions in PTSD symptoms among veterans participating in BJJ, with benefits extending to decreased levels of depression and anxiety [13]. Interestingly, researchers who studied BJJ benefits in managing PTSD further supported these findings in their longitudinal study [12], which noted lasting mental health benefits from regular BJJ practice. The mental discipline and focus required in BJJ training foster an environment conducive to psychological healing and emotional stability, making it a valuable tool in mental health therapy. 

For example, this review adapted data from research on BJJ training for U.S. service members and veterans with symptoms of PTSD [13] and graphs the effect sizes calculated from PCL-5 assessments for veterans participating in BJJ training. The graph illustrates the effect sizes at two key intervals of their study: pre-treatment to mid-treatment and pre-treatment to post-treatment. To assess the impact of BJJ on PTSD symptoms among veterans and first responders, researchers measured changes in PTSD symptomatology using the PTSD Checklist for DSM-5 (PCL-5) and concluded decreased levels of depression and anxiety. 

Effect Sizes and Confidence Intervals 

The graph depicts effect sizes (Cohen’s d) and their corresponding 95% confidence intervals to illustrate the magnitude and precision of changes in PTSD symptoms from pre-treatment to mid-treatment and from pre-treatment to post-treatment. 

Statistical Significance 

The p-values associated with these findings underscore the statistical significance of the observed improvements, suggesting that the effects are attributable to the BJJ intervention. 

Social and Community Aspects 

The findings illustrated BJJ’s role in enhancing social interactions and building community ties. For example, one researcher examined BJJ as a possible social and psychological therapeutic modality and underscored how BJJ promotes camaraderie and supports systems among participants, creating a sense of belonging and mutual trust [4]. This community aspect is crucial, especially for veterans and first responders, who often experience isolation in their professional roles. The shared experience of BJJ training fosters solid interpersonal relationships and provides a supportive network that enhances the social well-being of its members. 

These results collectively illustrate BJJ’s comprehensive benefits, affirming its effectiveness across physical, mental, and social domains. Integrating BJJ into therapeutic and training programs offers a holistic approach to health and wellness, supporting individuals’ physical conditioning and psychological and social rehabilitation. 

For instance, this work adapted data from a study on BJJ as social and psychological therapy [4] and crafted a thematic map to illustrate the complex relationships between various aspects of BJJ and their outcomes.  

Reduces Negative Behaviors

he thematic map distinguishes between direct benefits and the pathways that facilitate these benefits, using color coding to enhance readability and understanding. It effectively encapsulates how BJJ is a multifaceted enhancer of psychosocial health. By detailing both the outcomes and the mechanisms, the map serves as a tool for understanding BJJ’s broad and nuanced impacts beyond the mat, supporting its integration into psychological and social rehabilitation programs.  

THEMES 

Multiple themes emerged from the outcomes assessed in the literature. One researcher with expertise in BJJ identified and categorized these themes, and studies were grouped into key categories inspired by different domains related to veterans and first responders. Most studies evaluated one specific theme within the context of BJJ while acknowledging others to a lesser degree; however, some overlap of themes emerged in studies. Table 1 groups all studies by theme, variable, citation, and geographical region. 

Table 1. Summary of all themes, the variable(s) assessed in each theme, and the studies that assessed the variable(s). 

Theme	Variable(s) Assessed	Studies	Geographical Region
Physical Health Benefits	Cardiovascular health, muscular strength, endurance	[1]	Brazil
Mental Health Benefits	PTSD symptom reduction, depression, anxiety	[12, 13]	USA
Social Integration	Community participation, support networks	[4]	Sweden
PTSD Management	PTSD symptomatology	[13]	USA
Conflict Resolution Skills	De-escalation techniques, stress management	[7, 9]	USA
Physical Rehabilitation	Mobility, injury recovery	[6]	USA
Law Enforcement Training	Use of force, injury reduction	[10]	USA
Psychological Resilience	Mental focus, emotional stability	[4, 12]	USA, Sweden
Community Building and Support Systems	Camaraderie, mutual trust	[4]	Sweden
Implementation Strategies	Integration into therapy programs	Various	Various

From the included literature: (1) physical health benefits of BJJ; (2) mental health benefits of BJJ; (3) social integration through BJJ; (4) BJJ’s role in PTSD management; (5) BJJ for conflict resolution skills; and (6) BJJ for physical rehabilitation, all occupied the primary purpose of the greatest number of studies. Other pertinent topics included: (7) BJJ’s impact on law enforcement training; (8) psychological resilience through BJJ; (9) community building and support systems through BJJ; and (10) strategies for implementing BJJ in therapeutic settings, which were the secondary focus of some studies and integrated into studies with another primary focus. 

DISCUSSION 

This scoping review aimed to define and evaluate the quantitative and qualitative data regarding the effects of BJJ on veterans and first responders. It was conducted through standard methods outlined by leading scholars in the field [2] to identify, select, and synthesize the findings from 11 studies. The current knowledge of BJJ was documented by analyzing the geographic scope of studies, the year of publication, and the specific themes that emerged from the literature. Provided below are significant results of this review that can be relevant for future researchers, practitioners, and BJJ instructors. 

The included studies revealed evidence of BJJ’s physical health benefits. Participants showed marked improvements in cardiovascular health, muscular strength, and endurance [1]. These physical health benefits were consistent across different populations and settings, highlighting BJJ’s utility in enhancing overall fitness and aiding injury rehabilitation [10]. Despite these positive findings, further research is needed to establish standardized protocols for measuring these benefits across diverse groups. 

The literature also prominently discussed BJJ’s mental health benefits. Substantial reductions in PTSD symptoms, depression, and anxiety were reported among veterans participating in BJJ [12, 13] These findings suggest that BJJ provides a supportive environment conducive to psychological healing and emotional stability. The mental discipline and focus required in BJJ training foster an environment that encourages mindfulness and stress reduction. However, the mechanisms underlying these mental health benefits are not fully understood and warrant further investigation. 

Social integration emerged as a significant theme, with BJJ promoting camaraderie and support systems among participants. Studies highlighted how BJJ fosters a sense of belonging and mutual trust, crucial for veterans and first responders who often experience isolation in their professional roles [4]. The communal aspect of BJJ training helps build strong interpersonal relationships and provides a supportive network that enhances social well-being. Future research should explore how these social benefits can be optimized further to support the reintegration of veterans into civilian life. 

BJJ’s role in enhancing law enforcement capabilities was another key finding. BJJ training improves mental acuity, decision-making under pressure, and interpersonal skills, which are essential in the high-stress context of law enforcement work [7, 9]. The practical impacts of BJJ as a response to resistance option were also noted, with reduced injuries and complaints regarding the use of force in departments that implemented BJJ training programs [10]. These findings underscore the importance of incorporating BJJ into law enforcement training to enhance officer safety and effectiveness. 

Technological advancements in BJJ training were less frequently discussed but are becoming increasingly relevant. Integrating AI and other technologies to enhance training and performance tracking could revolutionize how BJJ practitioners train and improve [12]. Future research should explore the potential of these technologies in providing more precise and individualized training programs. 

Comparisons across gender and skill levels revealed essential insights into how different populations benefit from BJJ training. Differences in physical and psychological responses to BJJ were noted, suggesting that tailored training programs may be necessary to optimize benefits for diverse groups [1]. Future studies should continue to explore these differences to develop more inclusive and effective training methodologies. 

The inclusion of wheelchair BJJ and adaptive training for individuals with disabilities was minimal but highlighted the need for more inclusive research. Studies focused on the biomechanics of BJJ for wheelchair users and its potential benefits in promoting physical and mental health [6]. Expanding research in this area could lead to better support and training for individuals with disabilities. 

Future Research 

Understanding the many benefits of BJJ for veterans and first responders is unquestionable. Continued research should aim to standardize measurement protocols and explore the long-term impacts of BJJ training. Future studies should also consider integrating technological advancements and developing adaptive training programs to support diverse populations. By expanding the scope of research to include mixed-double formats and other variations of BJJ, researchers can develop a more comprehensive understanding of its benefits and applications. 

Strengths and Limitations of this Scoping Review 

This scoping review applied a systematic and rigorous search strategy to retrieve a comprehensive range of articles addressing the benefits of BJJ for veterans and first responders. Considering both peer-reviewed journal articles and grey literature, the review captured a broad spectrum of knowledge, including unpublished theses and conference presentations. However, some studies were unintentionally omitted due to limited access, and the exclusion of non-English language studies may have skewed the geographic analysis of the literature. Additionally, the reliance on self-reported data in many studies introduces potential biases that should be addressed in future research. 

CONCLUSIONS 

This study sought to review the literature on the benefits of BJJ for veterans and first responders, focusing on physical, mental, and social health outcomes. It answers this study’s research question and presents the current knowledge for each identified theme, providing opportunities for future research. This scoping review will aid in building a more comprehensive understanding of BJJ’s therapeutic mechanisms and significantly contribute to optimizing its application in rehabilitative and therapeutic settings. A growing body of research is being conducted globally on BJJ’s benefits. The current literature reveals substantial evidence of BJJ’s positive impact on physical fitness, mental health, and social integration. However, the varying methodologies and outcomes of the included studies indicate that more rigorous research is needed to elucidate BJJ’s mechanisms of action fully. This scoping review provides an impetus for further research on BJJ’s effects on specific populations, including adaptive training for individuals with disabilities and integrating technological advancements in training. Studies included in this scoping review only scratched the surface of these variables and their impact on the well-being of veterans and first responders. Future research should aim to expand on these findings to develop a more comprehensive understanding of BJJ’s potential as a therapeutic tool.  

APPLICATIONS IN SPORT 

Integrating BJJ into training programs for veterans and first responders provides a versatile approach to enhancing their physical, mental, and social well-being. Coaches and trainers can leverage BJJ to significantly improve cardiovascular health, muscular strength, and endurance, which are essential for the physically demanding roles of these professionals. The mental health benefits of BJJ are particularly noteworthy; the studies in this review show it reduces symptoms of PTSD, depression, and anxiety, thereby promoting emotional resilience and effective stress management. Furthermore, BJJ’s structured and strategic nature supports mental acuity and decision-making under pressure, which are necessary skills for operational effectiveness. Socially, BJJ offers a sense of community and mutual support, aiding in the social integration of veterans and first responders and mitigating feelings of isolation. By incorporating BJJ into their training regimes, coaches and trainers can deliver a holistic program that enhances physical fitness and supports psychological health and social connectivity, ultimately improving the overall recovery, resilience, and operational readiness of veterans and first responders. This comprehensive approach underscores BJJ’s value as a therapeutic intervention in sports training programs for these populations. 

ACKNOWLEDGEMENTS 

The authors confirm that all the research in this work has met ethical guidelines and adhered to the legal requirements of the United States of America. In addition, the principal investigator is compliant with the Collaborative Institutional Training Initiative (CITI) Program on social and behavioral researchers and social and behavioral responsible conduct of research training. Furthermore, this work was not funded, the authors declare no conflict of interest, and it did not contain studies with human participants or animals performed by the principal investigator. 

References