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...

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...

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&...

This study examined the trajectories of emotional states and their within-person synergies with perceived stress and recovery during a 4-month training period preceding the French swimming championships. A Multilevel Growth Curve Analysis approach was used with 16 high level swimmers. Five waves of assessments of emotional states, perceived stress and recovery were completed. Results indicated ...

The purpose of this study was to evaluate the effect of glycerol supplementation on aerobic and anaerobic exercise performance in sedentary subjects and athletes. The glycerol supplement treatments were as follows: 40 volunteers were selected and divided into two groups, sedentary and exercise groups. These two groups were further subdivided into two groups. The first group, the placebo (S), on...

Functional variants in exonic regions have been associated with development of cardiovascular disease, diabetes and cancer. Athletic performance can be considered a multi-factorial complex phenotype. Genomic DNA was extracted from buccal swabs of seven soccer players from the Fulham football team. Single nucleotide polymorphism (SNPs) genotyping was undertaken. To achieve optimal athletic perfo...

Leptin and adiponectin play an essential role in energy metabolism. Leptin has also been proposed as a marker for monitoring training load. So far, no studies have investigated the variability of these hormones in athletes and how they are regulated during cumulative exercise. This study monitored leptin and adiponectin in 15 endurance athletes twice daily in the days before, during and after a...