BACKGROUND In 2009, the International Judo Federation (IJF) created a World Ranking List (WRL) to classify athletes according to their performance in international-level competitions and to qualify athletes for the Olympic Games. OBJECTIVES Considering that this ranking system provides useful information concerning athletes' performance in competitions during a 2-year period and during Olympi...

The purpose of this study was to investigate a large number of determinants of sport dropout among French adolescents, in order to reveal proximal and distal factors of dropout. 261 current and 106 dropout athletes (M = 14.6) participated to the study. The data were collected by a questionnaire assessing demographic information, athletes' perceptions on their experience, their parents, teammate...

BACKGROUND A preexisting rotator cuff tear may affect the draft status and career performance of National Football League (NFL) players. HYPOTHESIS Preexisting rotator cuff tears decrease a player's draft status, performance, and longevity in the NFL. STUDY DESIGN Retrospective cohort study. LEVEL OF EVIDENCE Level 3. METHODS Medical reports of prospective NFL players during the NFL Sco...

the aim ofthe current study wasto comparegeneral health and mood state profile in bodybuilders with/without anabolic steroid consumption. thestatistical populationconsisted of all bodybuilders in tehran city in 2015. 200 bodybuilders were selected from tehran sport clubs with convenience sampling method. after excluding unauthorized questionnaire, 192 questionnaires were analyzed. the data were...

BACKGROUND This study investigated whether mindfulness training increases athletes' mindfulness and flow experience and decreases sport-specific anxiety and sport-specific pessimism. METHODS Cyclists were assigned to an eight-week mindfulness intervention, which incorporated a mindful spin-bike training component, or a wait-list control condition. Participants completed baseline and post-test...

It is inevitable that each sector has a distinct vulnerability to climate change in divergent dimensions with different aspects. When health, social, cultural, and economic components are considered together, the of sports cannot be ignored terms its mass impact. Thus, it estimated professional or amateur athletes, trainers, spectators, as well managers, administrators, media workers, sponsor c...

the aim of the present study was to investigate coaches and young athletes' self-efficacy andyoung athletes' enjoyment from physical activity. the study examined the effect of self-efficacy on enjoyment from physical activity in young athletes using structural equation model (sem) and lisrel software. results showed thatcoaches' self-efficacyhad no significant effects onstudents&...