Roller Hockey is a sport played on a 40*20 metres rink characterized by combined periods of high intensity and short breaks, there´s a lack of epidemiological studies in this field. In line with the well-established model of sports injury prevention research proffered by van Mechelen, the first stage in this process is establishing the extent of the problem i.e. injury incidence, severity and burden. Through an online survey filled by semiprofessional athletes, it is posible to obtain all this important information. This way, it will be possible to fulfill a gap in the literature and take action in the near future in order to reduce the prevalence of injuries in this sport.

A retrospective study was performed in male Roller Hockey players. 275 players will be recruited. Data of all injury along a whole season will be collected. Patients' information, including age, number of years playing, skill level and injured body part, will be analysed.

Inclusion Criteria: Being a roller hockey player, play for one of the teams who participated in the 2020-2021 season third division league (Ok Liga Bronce). Play in at least one match in the season.

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Exclusion Criteria: Being unable to understand the questionaire, do not accept on participating in the study.

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Roller Hockey players playing in the spanish senior´s third division league