The purpose of this master's thesis was to identify incidence of injuries in ju-jitsu fighting and its characteristics. The aim was to find most common type and anatomical location of the injuries and indentify the most most common injuries that happen in each of three parts of ju-jitsu fight. We were also interested in determining the timing and circumstances of injuries and in finding an impact of additional physical preparation on injury incidence.
The study was conducted using an online questionnaire, which was answered by 118 ju-jitsu competitors from Slovenia and other European countries (83 male and 35 female). The analysis showed that the most common injury tipe was sprain or ligament injury (30 %), followed by muscular injuries (16 %) and subloxations or dislocations (10 %). Larger joints were proved to be the most frequently damaged parts with knee in the first place (25 %), followed by shoulder or collarbone (15 %) and ankle injury (13 %). The most of the observed injuries happened during the competition period (45 %) in the middle (57 %) of the training (72 %). The second part of the fight turned out to be the most exposed part of the fight, where 61 % of all injuries occurred. Statistically significant relationship between performing additional physical preparation and injury incidence were not found. Opposite – majority of the injured athletes had been performing physical preparation.
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