نتایج جستجو برای: 12 players
تعداد نتایج: 622776 فیلتر نتایج به سال:
In this study, we compared the growth, maturity status, functional capacity, sport-specific skill, and goal orientation of 159 male soccer players, aged 11-12 (n = 87) and 13-14 years (n = 72) years, who at follow-up 2 years later discontinued participation (dropout), continued at the same standard (club) or moved to a higher level (elite). Age group-specific multivariate analysis of variance w...
Background: After long-term intensive training, considerable morphological and functional heart changes occur in professional athletes. Such changes arise progressively and regress upon interruption of the physical activity. Morphological and functional alterations on heart are known as "Athlete's heart" condition. Objective: This study aims to compare echocardiographic parameters in two differ...
BACKGROUND Osteochondritis dissecans (OCD) of the capitellum is a well-recognized cause of elbow pain and disability in adolescent athletes. However, little is known about the prevalence of OCD in adolescent baseball players. PURPOSE To determine the prevalence of OCD in baseball players aged 10 to 12 years based on ultrasonographic findings and to investigate the clinical characteristics of ...
BACKGROUND Pregnancy may stress calcium economy in women through fetal calcium requirements, and increasing maternal body weight. Bone is stimulated by compression forces. Playing tennis may decrease bone resorption through intermittent mechanical loading. This study tests the thesis that maternal bone mineral changes during pregnancy in women who play tennis are less compromised compared with ...
BACKGROUND Jumper's knee is a common and troublesome condition among senior volleyball players, but its prevalence among elite junior players compared to matched non-sports active controls is not known. OBJECTIVE To clinically, and by sonography, examine the patellar tendons in elite junior volleyball players (15-19 years) at the Swedish National Centre for volleyball and in matched controls....
OBJECTIVE To determine the risk of concussion among youth football players (ages 8-12 years). STUDY DESIGN Participants included 468 male youth football players in western Pennsylvania during the 2011 youth football season. Incidence rates (IRs) and incidence density ratios (IDRs) of concussion were calculated for games and practices and for age groups. RESULTS There was a total of 11,338 (...
Objective :Excessive dynamic knee valgus, as a defective movement pattern, predisposes patients to lower limb injuries. Therefore, the aim of the present study was to study dynamic knee valgus in male soccer players. Methods: In this review article, an attempt was made to collect studies conducted on the subject of research from 2000 to June 2021. The websites Google Scholar, PubMed, Science D...
The aim of this study was to define processes of orientation and/or selection towards sports game of volleyball in schoolgirls of Kastela, aged 10-12, by examining the relations between regular classes of physical education (PE) and extracurricular sport activities. For this purpose, two morphological measures were used (body height and body mass) and a set of 11 motor tests (6 basic motor abil...
We construct an uncoupled randomized strategy of repeated play such that, if every player plays according to it, mixed action profiles converge almost surely to a Nash equilibrium of the stage game. The strategy requires very little in terms of information about the game, as players’ actions are based only on their own past payoffs. Moreover, in a variant of the procedure, players need not know...
The study purpose was to determine the effect of a comprehensive teaching learning-based training model on skills and social attitudes young football players.
 Materials methods. This is an experimental with sample 36 male athletes aged 10-12 years. Samples are players who registered trained at Real Madrid Foundation Yogyakarta school. attended frequency 3x/week minimum attendance 80% in 2...
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