In judo competition for visual impairment, athletes of different classes compete against each other in the same category; B1 athletes are totally blind, whereas B2 and B3 athletes are partially sighted. To test for potential competition disparities due a single category of athletes, this study aimed to compare competitive and technical–tactical performance in visually impaired judo athletes with different degrees of visual impairment. The authors analyzed 340 judo matches from the 2012 and 2016 Paralympic Games. The scores, penalties, efficiency index, and types of medals were examined, as well as the technical variation and temporal structure. The main finding was that blind judo athletes presented lower scores (p < .05; effect size [ES] = 0.43–0.73), medals (p < .05), and efficiency (p < .05; ES = 0.40–0.73); different patterns of play; and a shorter time to lose than partially sighted athletes (p = .027; ES = 0.10–0.14). However, the penalties were similar between classes (p > .05; ES = 0.07–0.14). The odds ratio of a winning medal was 3.5–8 times less in blind athletes than in partially sighted athletes (p < .01). In conclusion, blind judo athletes presented lower competitive and technical–tactical performance than athletes with some residual functional vision. These findings provide support for the development of new evidence-based criteria for judo classification based on vision impairment.
Rafael L. Kons, Kai Krabben, David L. Mann, Gabriela Fischer and Daniele Detanico
David P. Hedlund, Carol A. Fletcher, Simon M. Pack and Sean Dahlin
Around the world, there is a growing movement to improve sport coaching education. In recent years, the International Council for Coaching Excellence (ICCE) has begun to address questions related to the education, training and development of sport coaches through the publication of the International Sport Coaching Framework (ISCF) and the Sport Coaching Bachelor Degree Standards (SCBDS). In the United States, because sport coaches can undertake a wide variety of coaching-related educational opportunities, the United States Olympic Committee has taken steps to address the disparity in training through the publishing of the Quality Coaching Framework (QCF). All of these documents provide valuable information about the best principles for educating and training sport coaches. While principles, standards and theories provide valuable overarching information about how to organize education, specific information about what topics should actually be taught in education programs is still lacking. In this manuscript, utilizing principles of participation versus performance sport and professional knowledge, intra- and interpersonal skills, information about what and when to teach important sport coaching topics is proposed.
David W. Brock, Olivia Thomas, Charles D. Cowan, David B. Allison, Glenn A. Gaesser and Gary R. Hunter
Numerous public health organizations have adopted national physical activity recommendations. Despite these recommendations, over half of the US population does not meet the minimum recommendation for physical activity, with large variations across individual US states.
Using the 2005 Behavioral Risk Factor Surveillance System (BRFSS) prevalence data for physical activity and obesity by state, we performed a weighted least squares regression using prevalence of obesity (BMI ≥ 30 kg/m2) as the dependent variable and insufficiently physically active (included completely sedentary), age, race, gender, and median household income as the independent variables.
The unadjusted weighted least squares regression revealed a strong correlation between a state’s prevalence of obesity and the prevalence of insufficiently physically active (R = .76, R 2 = .58, P < .0001). After adjusting for age, gender, race, and median household income, the prevalence of insufficiently physically active is still a significant predictor of the state prevalence of obesity (partial R = .44, R 2 = .19 P = .004).
Macroenvironmental and sociopolitical disparities between individual US states that transcend simple state-level demographic factors need to be examined more rigorously to identify unique barriers and promoters of physical activity.
Jessica M. Stephens, Shona Halson, Joanna Miller, Gary J. Slater and Christopher D. Askew
The use of cold-water immersion (CWI) for postexercise recovery has become increasingly prevalent in recent years, but there is a dearth of strong scientific evidence to support the optimization of protocols for performance benefits. While the increase in practice and popularity of CWI has led to multiple studies and reviews in the area of water immersion, the research has predominantly focused on performance outcomes associated with postexercise CWI. Studies to date have generally shown positive results with enhanced recovery of performance. However, there are a small number of studies that have shown CWI to have either no effect or a detrimental effect on the recovery of performance. The rationale for such contradictory responses has received little attention but may be related to nuances associated with individuals that may need to be accounted for in optimizing prescription of protocols. To recommend optimal protocols to enhance athletic recovery, research must provide a greater understanding of the physiology underpinning performance change and the factors that may contribute to the varied responses currently observed. This review focuses specifically on why some of the current literature may show variability and disparity in the effectiveness of CWI for recovery of athletic performance by examining the body temperature and cardiovascular responses underpinning CWI and how they are related to performance benefits. This review also examines how individual characteristics (such as physique traits), differences in water-immersion protocol (depth, duration, temperature), and exercise type (endurance vs maximal) interact with these mechanisms.
Danielle R. Madden, Chun Nok Lam, Brian Redline, Eldin Dzubur, Harmony Rhoades, Stephen S. Intille, Genevieve F. Dunton and Benjamin Henwood
Adults with serious mental illness engage in limited physical activity, which contributes to significant health disparities. This study explored the use of both ecological momentary assessments (EMAs) and activity trackers in adults with serious mental illness to examine the bidirectional relationship between activity and affect with multilevel modeling. Affective states were assessed up to seven times per day using EMA across 4 days. The participants (n = 20) were equipped with a waist-worn accelerometer to measure moderate to vigorous physical activity. The participants had a mean EMA compliance rate of 88.3%, and over 90% of completed EMAs were matched with 30-min windows of accelerometer wear. The participants who reported more positive affect than others had a higher probability of engaging in moderate to vigorous physical activity. Engaging in more moderate to vigorous physical activity than one’s usual was associated with more negative affect. This study begins to address the effect of momentary mood on physical activity in a population of adults that is typically difficult to reach.
Susan G. Zieff, Claudia M. Guedes and Amy Eyler
Neighborhood environment and resources affect physical activity. This study examined the relationships between San Francisco residents’ perceived barriers to physical activity and policy-maker perspectives of conditions in neighborhoods that are under-served for physical activity.
Nine focus groups comprised of primarily African American, Chinese American, and Latino populations were constructed from 6 low-income neighborhoods to respond to questions based on the social-ecological model about neighborhood recreational opportunities and to offer policy and intervention strategies to increase physical activity. A tenth focus group was conducted with staff members from 7 city departments to respond to neighborhood focus groups outcomes. The transcribed videotaped discussions were analyzed using qualitative content analysis.
Both residents and policy-makers highlighted neighborhood disparities that reduce physical activity including unsafe and unhealthy environments and difficulty accessing available resources. Residents reported fewer available free or low-cost resources than those identified by policy-makers.
Findings suggest that policy-makers would benefit from consideration of neighborhood-level affects of policies on physical activity and local residents’ recommendations for policies affecting physical activity. Concordance between residents’ perceptions and policy-maker perceptions of neighborhood conditions for physical activity was greater than reported in previous literature.
Brennan K. Berg, Michael Hutchinson and Carol C. Irwin
This case study illustrates the complexity of decision making in public organizations, specifically highlighting the public health concern of drowning disparities in the United States. Using escalation of commitment theory, students must consider various factors in evaluating the overextended commitments of a local government in a complicated sociopolitical environment and with vital public needs that must be addressed through a local parks and recreation department. Facing a reduction in allocated resources, the department director, Claire Meeks, is tasked with determining which programs will receive higher priority despite the varied feedback from the management staff. To ensure students are provided a realistic scenario, this case offers a combination of fictional and real-life events from Splash Mid-South, an innovative swimming program in Memphis, Tennessee. Students must critically evaluate not only the merits of the swimming program, but the other sport, recreation, and parks programs that also merit an equitable share of the limited resources. Therefore, students are placed in a decision-making role that is common to managers of both public and private organizations. This case study is appropriate for both undergraduate and graduate sport management courses, with specific application to strategic management, organizational behavior, and recreation or leisure topics.
Sharon E. Taverno Ross, Nicole Larson, Dan J. Graham and Dianne Neumark-Sztainer
This study compared moderate-to-vigorous physical activity (MVPA) and sedentary behavior in U.S.–born and foreign-born adolescents and young adults, and differences in behavior change from adolescence to young adulthood by nativity.
Data on 2039 U.S.–born and 225 foreign-born participants from Project EAT-III (Eating and Activity in Teens and Young Adults) were used to examine MVPA, television/DVD/video viewing, and computer use. Participants completed surveys at baseline in Minneapolis/St. Paul, MN secondary school classrooms in 1998–1999 (14.9 ± 1.6 y) and follow-up measures online or by mail in 2008–2009 (25.3 ± 1.6 y).
At both time points, foreign-born participants reported significantly lower levels of MVPA than their U.S.–born counterparts (P < .05). Foreign-born females at baseline and follow-up and foreign-born males at follow-up reported less television/DVD/video viewing compared with U.S.–born participants (P < .01). All participants experienced a significant decline in MVPA from baseline to follow-up (P < .001). Between-group analyses revealed a significantly greater decline in television/DVDs/video viewing for the foreign-born males compared with U.S.–born males from baseline to follow-up (mean change: foreign-born: –4.8 ± 1.32 hrs/wk, U.S.–born: –0.6 ± 0.6 hrs/wk; P < .01).
Differences in activity patterns between foreign-born and U.S.–born youth into young adulthood may contribute to disparities in chronic disease risk. Nativity, along with the social, environmental, and cultural context, should be considered when designing programs to promote MVPA and prevent obesity.
Patrick G. Campbell, Jonathan M. Peake and Geoffrey M. Minett
Purpose: Investigations into the specificity of rugby union training practices in preparation for competitive demands have predominantly focused on physical and physiological demands. The evaluation of the contextual variance in perceptual strain or skill requirements between training and matches in rugby union is unclear, yet holistic understanding may assist to optimize training design. This study evaluated the specificity of physical, physiological, perceptual, and skill demands of training sessions compared with competitive match play in preprofessional, elite club rugby union. Methods: Global positioning system devices, video capture, heart rate, and session ratings of perceived exertion were used to assess movement patterns, skill completions, physiologic, and perceptual responses, respectively. Data were collected across a season (training sessions n = 29; matches n = 14). Participants (n = 32) were grouped in playing positions as: outside backs, centers, halves, loose forwards, lock forwards, and front row forwards. Results: Greater total distance, low-intensity activity, maximal speed, and meters per minute were apparent in matches compared with training in all positions (P < .02; d > 0.90). Similarly, match heart rate and session ratings of perceived exertion responses were higher than those recorded in training (P < .05; d > 0.8). Key skill completions for forwards (ie, scrums, rucks, and lineouts) and backs (ie, kicks) were greater under match conditions than in training (P < .001; d > 1.50). Conclusion: Considerable disparities exist between the perceptual, physiological, and key skill demands of competitive matches versus training sessions in preprofessional rugby union players. Practitioners should consider the specificity of training tasks for preprofessional rugby players to ensure the best preparation for match demands.
: Models and Strategies for Transdisciplinary Collaboration David M. Buchner * Paul H. Gobster * 1 2007 4 s1 S36 S49 10.1123/jpah.4.s1.s36 Environmental Justice: A Framework for Collaboration Between the Public Health and Parks and Recreation Fields to Study Disparities in Physical Activity Wendell C