Injuries of professional soccer players twelve times more frequent in competition than during training sessions?

‪The research has allowed to register systematically, for the first time in Spain, injuries sustained during an entire season for a total of 728 players from 16 first division teams and 11 second division teams.

‪Diego Moliner, director of the research group LIFE at the Universitat Jaume I, explains that in total 1,293 injuries were recorded in the first division and 891 in the second division, thus confirming an increased risk of injury during competition matches than during training sessions. ‪The overall incidence of injury among professional players from first and second division was 5.6 injuries per thousand hours of exposure. “But the most significant is that in the case of the competition the number of injuries per thousand hours of practice was 41.7 versus 3.6 produced per thousand hours of training, which means that the risk of injury is almost twelve times higher during a competitive match.” ‪Nearly 90% of injuries occurred in lower limbs, and the primary cause was overexertion, which was the origin of three in four injuries. Regarding the type of injury, the most common ones were muscle and tendon, which were registered in one in two cases.

‪Regarding the evolution during the season, the incidence of injury during training sessions was greater during the preseason and declined progressively during the competitive season, while the impact of injury during competition matches progressively increased throughout the season.

‪Among the key findings of the articles, the authors have highlighted the need to implement new protocols for preventing injuries that minimize the high economic and sporting cost it means for professional football teams the high injury incidence among their players, especially during the preseason and end of the competitive period.

‪In the research, led from the Faculty of Physical Education and Sports of the Polytechnic University of Madrid, the contribution of the group LIFE of the UJI has focused on the design of data analysis and on the drafting of the two scientific papers. LIFE research group within the Department of Education of the UJI, focuses its studies in the field of physical activity and health, and is currently developing a project on sport, adolescence and health funded by the Ministry of Economy and Finance in the National Plan for Scientific Research (

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