the aim of the present study was to investigate the relationship of the perception of the peer motivational climate, stress and the weekly training with burnout in junior elite athletes of kerman province. the statistical population consisted of 120 male elite athletes from kerman province from individual and team sports (table tennis, karate, taekwondo, badminton, cycling, handball, volleyball...

BACKGROUND The goal of this study was to evaluate energy expenditure and dietary intake of nutrients during Taekwondo practice in elite Korean male Taekwondo players. METHODS Elite Korean male high school (high school player: HP; n = 59) and college players (college player: CP; n = 58) wore an accelerometer to measure energy expenditure and recorded their daily dietary intake for nutritional ...

This study investigated the relationship between vertical and horizontal jumping ability change of direction (COD) to measure athletic performance in 51 elite male handball players. Scope. Countermovement jump (CMJ), peak power, standing long (SLJ) were measured. Participants performed a 20-m sprint test (time measured at 5, 10, 20 m) zigzag (COD: 135°, 90°, 45°). The COD deficit, an index time...

THE AIM OF THE INVESTIGATION WAS TO 1) compare shoulder external/internal rotator muscles' peak torques and average power values and their ratios in the dominant and non-dominant arm; 2) determine correlations between shoulder rotator muscles' peak torques, average power and ball-throwing speed in handball players. Fourteen 14 to 15-year-old male athletes with injury-free shoulders participated...

Percutaneous endoscopic discectomy (PED) is a minimally invasive spinal technique and has several advantages compared with open surgery. We describe repeat PED surgery for recurrent herniated nucleus pulposus (HNP). The patient was a 33-year-old handball high level player. Previously, he underwent transforaminal PED under local anesthesia for intracanalicular HNP at L4-5 level about 2 years ago...

Three experiments investigated the predictions of the biased competition theory of selective attention in a computer based sport task. According to this theory objects held in the circuitry of working memory (WM) automatically bias attention to objects in a visual scene that match or are related to the WM representation. Specifically, we investigated whether certain players that are activated i...