OBJECTIVE To study the relationship between potentially game-disrupting incidents (PGDIs; red and yellow cards, goals and injuries) and the injury incidence in football. DESIGN Prospective injury surveillance during three FIFA World Cups in 2002, 2006 and 2010. Official match statistics were obtained for all the matches played in the three tournaments. SETTING 2002, 2006 and 2010 FIFA World...

This paper wants to analyze the transfer fee mechanism for Indonesian football players in system established by FIFA which is experiencing rapid progress. Like a business entity general, club needs resources carry out its activities. Player transfers are very important aspect of business. The Federation Internationale Football Association (FIFA) governing body it takes global role relationship ...

This paper describes the 7x1­PT corpus that contains a set of tweets, in Portuguese, posted during the match Germany vs Brazil at the FIFA World Cup 2014. We describe data collection, cleaning and organization, and also the current stage of the linguistic annotation of this corpus.

Santa Monica Orthopedic and Sports Medicine Foundation, Los Angeles, CA, USA Harvard Vanguard Medical Associates, Harvard Medical School, Boston, MA, USA Sahlgrenska University Hospital, Gothenburg, Sweden University Medical Centre, Utrecht, the Netherlands Fédération Internationale de Football Association (FIFA) Medical Assessment and Research Centre (F-MARC), Shulthess Clinic, Zurich, Switzer...

The aims of the present study were (1) to analyse the physical demands of top-class referees and (2) to compare their official FIFA fitness test results with physical performance during a match. The work rate profiles of 11 international referees were assessed during 12 competitive matches at the 2003 FIFA Under-17 World Cup and then analysed using a bi-dimensional photogrammetric video analysi...

The purpose of this paper was to compare the accuracy of different simulation models of the 2014 FIFA World Cup. There were 12 (2 x 3 x 2) models altogether (2 data sets of previous matches, 3 sets of variables and models where the data either satisfied the assumptions of linear regression or not). One set of previous data consisted of 440 matches from all international tournaments played since...

BACKGROUND To guarantee equal chances for different age groups, age-related tournaments for male and female players have been established in soccer. However, as registration at birth is not compulsory in some countries, other methods of age determination are needed to prevent participation in the incorrect age group. OBJECTIVES To evaluate the age of soccer players of international U-17 compe...

Soccer is the most popular sport worldwide, with about 200 million players, both professionals and amateurs. Because of its popularity, it has been often proposed to be able to prevent or cure health problems around the world. Although participation in football leads to significant physical benefits such as improving well-being, extending life expectancy and reducing the likelihood of several m...