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International Journal of Martial Arts - Vol. 8

[ Article ]
International Journal of Martial Arts - Vol. 8, pp. 1-21
Abbreviation: IJMA
ISSN: 2287-8599 (Online)
Online publication date 02 Mar 2023

Injuries among Brazilian male Jiu-Jitsu athletes
Giovanna Medina MD, PhD*, 1 ; Breno Schor MD, PhD1 ; Caio Oliveira D'Elia MD, PhD1 ; Antonio Guilherme Padovani Garofo MD1 ; Alexandre Carneiro Bitar MD, MSc1 ; Juliana Mauad MD1 ; Wagner Castropil MD, PhD1
The study was performed at Instituto Vita, São Paulo, Brazil
1Instituto Vita, São Paulo, Brazil

Correspondence to : *Juliana Mauad Address: Rua Mato Grosso, 306, 1º andar, 01239-040, São Paulo, SP, Brazil E-mail:


The purpose of this study was to describe the injuries related to the practice and competition of Jiu-Jitsu (JJ) in Brazil. Athletes answered a survey regarding previous injuries sustained during training or competition that resulted in missing practice or competition for at least one week. One hundred and fifteen male athletes were included (mean age 30.2). A total of 415 injuries were recorded. The number of injuries sustained by each athlete ranged from 0-12 (mean of 3.6). Knee was the most affected site (18.8%), followed by the shoulder girdle (15.9%), ankle (12.3%), and hand (11%). Sprain was the most common diagnosis (31.3%). Traumatic causes were responsible for approximately 70% of the injuries. Results indicated a positive correlation between number of injuries and years JJ practice (p < 0.001), age (p < 0.01), belt graduation (p < 0.001) and level of competition (p < 0.001). In conclusion, most injuries are acute traumatic musculoskeletal injuries to the knee and shoulder, and both time exposure and intensity of JJ practice are risk factors.

Keywords: Martial arts, Epidemiology, General Sports Trauma, Sports


The authors reported there is no funding associated with the work featured in this article.


The authors declare no conflicts of interest.


All authors contributed with the following activities in this work: Substantial contributions to the conception or design of the work, or the acquisition, analysis or interpretation of data; Drafting the work or revising it critically for important intellectual content; Final approval of the version published; Agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

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