El objetivo de este estudio fue analizar el valor mercado (VM) futbolistas profesionales las 5 mejores ligas europeas fútbol. Se analizó efecto variables independientes sobre VM los futbolistas, mediante una ANOVA con un nivel significación p <0.01. Los la Premier League (PL) mostraron mayor en comparación otras ligas. extranjeros nacionales. entre 21-30 años <21 y > 30 años. delantero...

In soccer, physical development is crucial for developing optimal performance. This study aimed to assess and compare the of elite non-elite professional soccer players. Seventy-eight male football players divided into four competitive levels participated in this study: group (EG), A (NEG-A), B (NEG-B), under 23 (U23). Body composition, static strength, lower-body explosive flexibility, balance...

The purpose of this study was to evaluate the changes in body fat percentage and aerobic capacity in professional soccer players, after the implementation of a specific 4-week training regimen during the transition period. Fifty-eight professional soccer players of the Greek Premier National Division were separated in experimental (n = 38) and control groups (n = 20). Body composition and maxim...

BACKGROUND Ankle and foot injuries are common in professional soccer players, but the relation among diagnosis, severity and time lost from play is not well known. OBJECTIVE The aim of this study is to investigate the relationship among diagnosis, injury severity and time lost to play of professional soccer players with severe ankle and foot injuries with reviewing the recent literature. DE...

Angiotensin-1 converting enzyme (ACE) gene and α-actinin-3 (ACTN3) gene polymorphisms are considered to be the most important candidate genes for genetic predisposition to human athletic performance. In the present study, we aimed to analyze the distribution of ACE and ACTN3 polymorphisms for the first time in male Turkish soccer players. In this prospective study, our cohort consisted of 25 pr...

OBJECTIVE Eighty-three soccer players aged between 14 and 19 years, in the basic category of a professional soccer club in the city of Belo Horizonte, were followed up during the 2009 season. METHODS A prospective observational cohort study was conducted, in which these soccer players were divided randomly into two groups. The first consisted of individuals with joint hypermobility syndrome (...

OBJECTIVES To study self reported knee joint problems and the energy costs of level walking in soccer players. METHODS Seventeen soccer players and twelve control subjects between 18 and 27 years old participated in the study. A questionnaire was used to establish the amount of participation in soccer and the frequency and extent of knee injuries. The physiological cost index (PCI) was used a...

This cross-sectional study compared somatic, endurance performance determinants and heart rate variability (HRV) profiles of professional soccer players divided into different age groups: GI (17-19.9 years; n = 23), GII (20-24.9 years; n = 45), GIII (25-29.9 years; n = 30), and GIV (30-39 years; n = 26). Players underwent somatic and HRV assessment and maximal exercise testing. HRV was analyzed...