talent identification is a process through which those with the highest chance to succeed in the future will be determined. the purpose of the present study was to investigate the application of a multivariate approach in talent identification of adolescent soccer players. the research population consisted of all soccer players in tehran province aged between 12 and 16 years old. a battery of t...

this study represents an attempt to determine the prevalence of exercise-induced bronchospasm among soccer player children. a total of 234 soccer player boys of all soccer schools from shahr-rey enrolled in this study. they did not have any history of a recent or chronic respiratory tract disease, a history of allergic diseases, and history of bronchodilator drugs consumption during the 24 hour...

background: the present study was conducted to investigate the possible effects of l-carnitine and glutamine and their synergistic effects on male soccer athletes. methods: 28 male soccer players (21.1 ± 0.7 y) were enrolled in a randomized pre and post intervention, double-blind design. before the intervention, their performances were assessed by bruce protocol, and their body composition was ...

the aim of this study was to investigate the effect of taurine supplementation for two weeks and three sessions of 90 minutes of intense intermittent exercise on some serum cytokines responses in well-trained soccer players. therefore, 24 football players under 24 years old from soccer league were selected and divided randomly into taurine (tg=8), placebo (pg=8) and control (cg=8) groups. tg co...

The purpose of this study was to compare performance factors of youth soccer players according to position. A total of 101 high school soccer players were selected and were classified into goalkeeper (n=7), defense (n=37), midfield (n=39), and forward (n=18) positions. All subjects were subjected to the Wingate test for anaerobic capacity, shuttle run test for aerobic capacity, and pass, kick, ...

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skillful performance in soccer requires not only sound techniques but also quickand accurate decision making. these decisions are usually made in variousintensities of practice and performance. the main aim of this study was toinvestigate the effect of different levels of arousal and training intensity on decisionmaking (speed and accuracy) of expert female soccer players. for this purpose, 16e...

Background. Regardless of the age, elite athletes exhibit various motor capabilities (e.g., speed; endurance; strength) that are specific to that particular sport. Objectives. The purpose of this study was to compare different aspects of physical fitness (agility, strength, endurance) in thirty, 9 year old elite soccer and hockey players. Methods. Participants completed a 90 minute familiariz...

Background: The present study was conducted to investigate the possible effects of L-carnitine and glutamine and their synergistic effects on male soccer athletes. Methods: 28 male soccer players (21.1 ± 0.7 y) were enrolled in a randomized pre and post intervention, double-blind design. Before the intervention, their performances were assessed by Bruce protocol, and their body compositi...