BACKGROUND Femoroacetabular impingement (FAI) can be a source of hip pain in young adults. Some reports have revealed that participation in high-impact sports may play a role in the development of cam deformity, and there is a higher prevalence of signs of cam impingement in asymptomatic adolescents who participate in soccer and basketball than in non-athlete controls; however, current evidence...

The purpose of this study was to describe anthropometric characteristics and body composition of elite soccer and volleyball players as well as to make comparisons between them. Seventy-one males were enrolled in the study, divided into three groups: twenty-six soccer players, fourteen volleyball players and thirty-one healthy sedentary subjects. All subjects were assessed for the anthropometri...

Many RoboCuppers share a dream: a team of fully autonomous humanoid robot soccer players that is capable of playing soccer games against human players by 2050. The demonstration of a human versus robot soccer game at RoboCup 2007 was an exciting display of the progress that has been in RoboCup community since 1997 in terms of the robot’s autonomy, sensing ability, and physical features. This ga...

In order to evaluate the significance of injecting vitamins complexes and stimulants minutes before soccer games and its role in spread of hepatitis C virus (HCV) we interviewed and tested 40 ex-soccer players, who played professionally in Mato Grosso, Brazil, between 1970 and 1989. Five players were found anti-HCV positive with enzyme-immunoassay. When re-tested by immunoblot (RIBA), three of ...

The aim of the study was to determine whether there was a difference in anaerobic endurance between soccer, handball and basketball players. One hundred fifty players (mean age: 22.35±4.31 years), 50 from each sport (mean age: soccer, handball and basketball players 23.54±4.19, 20.42±4.48, 23.10±3.63 years, respectively), pertained to the highest level of their sport in Croatia; some were even ...

The purpose of this study was to analyze the leadership power perceptions of soccer coaches and soccer players according to their educational levels. Data were collected from 165 male soccer coaches and 870 male soccer players. Adapted versions of the "Power in Soccer Questionnaire-Other", the "Power in Soccer Questionnaire-Self" and an "information form" were used for data collection, and coll...

The aim of this study was to compare the effects of repeated sprints (RSA) training and regular soccer training on Yo-Yo IR-1 and RSA performance (6 x 40 m shuttle sprints). Thirteen semi-professional female soccer players and nine amateur male soccer players were randomised into a repeated sprint group (RSG; n = 12) or a regular soccer training group (STG; n = 10). The RSG soccer players execu...

BACKGROUND Studies have shown cardiac changes induced by intense and regular physical activity. The purpose of this study was to evaluate cardiac structures and function in soccer players, cyclists and long-distance runners, and compare them with non-athlete controls. MATERIAL AND METHODS Cardiac structural, systolic, and diastolic function parameters in 53 athletes and 36 non-athlete control...

Most physiological profiles of elite soccer players originate from Western Europe and North America. Unfortunately, there is a scarcity of descriptive data on the physical characteristics of Asian soccer players. Therefore, the purpose of this study was to evaluate the physiological profiles of elite soccer players in Hong Kong. It was conducted in conjunction with the selection of the Hong Kon...