Executive functions might be important for successful performance in sports, particularly in team sports requiring quick anticipation and adaptation to continuously changing situations in the field. The executive functions motor inhibition, attention and visuospatial working memory were examined in highly talented soccer players. Eighty-four highly talented youth soccer players (mean age 11.9),...

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 me...

purpose :   this study was designed to compare the effects of two different relaxation techniques, namely progressive muscle relaxation (pmr) and autogenic relaxation (agr) on moods of young soccer players . methods :   sixteen adolescent athletes (mean age: 14.1 ± 1.3) received either pmr or agr training. using profile of mood states-adolescents, their mood states were measured one week before...

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. This study investigated the effects of short-duration high-intensity simulation of soccer fatigue on the dynamic balance and isokinetic strength of the lower limbs in youth soccer players. Methods. Thirty-nine youth soccer players completed a high-intensity fatigue simulation in 5-min. The participants performed tests on dynamic balance and isokinetic strength before the fatigue si...

Objectives: Children aged 10 to 12 years often show dangerous maneuvers during landing, which include increased knee valgus, placing them at higher risk of anterior cruciate ligament (ACL) injuries. The study aimed to investigate the relation of the trunk and hip kinematics with the peak knee abduction angle during single-leg landing among preadolescent female soccer players. Methods: Thirty-s...

purpose adolescents are in increased risk for the development of obesity, while sport has been suggested as an effective means against adolescent obesity. the objectives of this study were to examine (a) the prevalence of overweightness/obesity, (b) the relationship between body mass index (bmi) and body fat percent (bf), and (c) the association between bmi, bf and physical fitness in adolescen...

Introduction: The aim of this study was to examine the effect of two concurrent resistance-plyometric and small sided game methods on pro-inflammatory in youth soccer players. Methods: 30 youth soccer players with a range of 14 to 17 years of age were divided randomly in three groups, SSG (n=8), resistance-plyometric (n=11) and control (n=11). Height, weight, BMI and VO2max of the subjects were...

patellofemoral pain syndrome (pfps) is the most common overuse syndrome in athletes. it is one of the causes of anterior knee pain in athletic population who come to the sports medicine clinic. patellofemoral pain is more common among female athletes especially adolescents and young adults. symptoms include: persistent pain behind the patella or peripatella. pain increases on ascending and desc...

the aim of this study was to investigate impulsiveness features of soccer players in different positions according to the mastery orientation approach. for this purpose, 40 soccer players in iran first division league with mean age of 28.65±3.9 years in different positions participated in this study. to measure impulsiveness features, barratt impulsiveness scale (bis-11) and continuous performa...