BACKGROUND Adductor-related pain is the most common clinical finding in soccer players with groin pain and can be a long-standing problem affecting physical function and performance. Hip adductor weakness has been suggested to be associated with this clinical entity, although it has never been investigated. PURPOSE To investigate whether isometric and eccentric hip strength are decreased in s...

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, ...

Background: Little information is available on the results of microfracture in competitive football (soccer) players. We aimed to evaluate the efficacy of this technique to restore joint function to a level that allows return to this popular highimpact sport. Methods: This article provides an overview of the basic science and the current published scientific evidence for articular cartilage rep...

BACKGROUND The purpose of the present study was to report and discuss the hematological and biochemical behavior of elite soccer players, in order to get more insight in the physiological characteristics of these sportsmen and to provide trainers and sports doctors with useful indicators. METHODS Nineteen male soccer players volunteered to participate in this study. We followed the young elit...

the aim of this study was to assess the effect of four weeks of high intensity aerobic interval football training on aerobic performance indices in soccer players. 18 soccer players in iran azadegan league (age 21.88+2.24 yr, height 174.22+5.33 cm, weight 67.7+5.7 kg, body fat percent 12.38+3.29) volunteered to participate in this study and divided into two groups (training, 12 players; control...

The aim of this study was to compare the effects of game design modification, the type of the goal and the number of players on the intensity of play in small-sided soccer games (SSGs) in youth elite players. Twenty young soccer players (age 13.7 ± 0.5 years, body mass 57.4 ± 7.8 kg, body height 1.67 ± 7.8 m, maximal heart rate 201.1 ± 8.2 beats/min) performed three types of SSGs (possession pl...

the aim of this study was to determine the relationship between age and the soccer performance of elite male soccer players were playing with an emphasis on post. sample of 396 soccer players (36 goalkeeper, 168 defenders, 123 midfielders and 69 forwards) participating in the 2010 world cup in south africa, with a mean age of 27.23 ± 3.71 years, height 181.45 ± 6.43 cm and body mass 75.89 ± 6.4...

The purpose of this study was to investigate the relationship between maximal sprinting (MSS) and aerobic (MAS) speeds in a cohort of highly-trained young male soccer players with the influence of body mass controlled for using allometric scaling. MSS and MAS were obtained in 14 pre-age at peak height velocity (APHV) players (12.3 ± 0.7 years), 21 circum-APHV players (14.3 ± 0.9 year) and 26 po...

the aim of this study was to design a program to educate emotion management and to evaluate its effectiveness on controlling anger and mental health in soccer players. the method of this study was quasi-experimental, pretest-posttest with control group. the population consisted of all players of soccer teams in adult premier league in 2014. 40 players of soccer teams in premier league were sele...

Background Achieving a symmetrical power performance (difference <15%) between lower limbs is generally recommended during sports rehabilitation. However, athletes in single-leg-dominant sports, such as professional soccer players, could develop significant asymmetry between their dominant and nondominant legs, such that symmetry does not act as a viable comparison. Purpose To (1) compare max...