Frequency of injuries of the Brazilian Jiu-Jitsu athletes in Vale of Paraiba Paulista and its associated factors

Abstract

The present study investigated the factors associated with injuries of Brazilian Jiu-Jitsu athletes in the Vale do Paraíba Paulista. The studyincluded 129 male BJJ athletes, with aged 30.1 ± 7.6 years, practice time 99.4 ± 71.8 months, corresponding 30% black belt, 13% brown belt, purple belt 22%, 25% blue belt and 10% white belt. Utilized a questionnaire to collect data on injuries on the opponent's weight class, type of blows, opponent's graduation, the environment, cause, applied blow and injury outcome. The results indicated that the knee region with 24.77% suffered higher incidence of injury followed the shoulder joint 14.16%. In relation to blows applied during the injury, it can be evidenced most prevalent injury occurred through Arm Lock blow, followed by blows Cow Hand and a Leg Lock, corresponding to 22.32%, 20.54% and 13.39%. The opponent's weight class had an injury rate of 8.11% for lighter opponent, 37.84% for heavier opponent and 54.05% for the same weight. As the opposing graduation, it was found that the injuries occurred with 49.09% athletes more graduation, followed by 27.27% athletes less graduation and 23.64% the same graduation. It was observed 29.2% serious injury, 28.31% moderate injuries and 30.97% light injuries in training. However, light injuries corresponded in the competitive environment to 2.65% and 7.96% severe, moderate injuries don't were reported.