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Fractures: Bone Repair01:27

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Related Experiment Video

Updated: Jul 30, 2025

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
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Injuries Common to the Brazilian Jiu-Jitsu Practitioner.

James J Hunker1, Sandip P Tarpada2, Joseph Khoury3

  • 1Surgery, New York Presbyterian - Weill Cornell Medical Center, New York City, USA.

Cureus
|May 15, 2023
PubMed
Summary

Brazilian jiu-jitsu (BJJ) practitioners most frequently sustain upper extremity injuries, particularly to the fingers and hands, during training rather than competition. Most injuries do not require surgery but often need medical attention.

Keywords:
brazilian jiu-jitsuinjuriesmartial artsorthopaedicssports medicine

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Area of Science:

  • Sports Medicine
  • Orthopedics
  • Combat Sports Science

Background:

  • Brazilian jiu-jitsu (BJJ) is a grappling-based martial art emphasizing technique over strength.
  • Injuries in BJJ practitioners are common, affecting various body parts during training, competition, and conditioning.

Purpose of the Study:

  • To evaluate the nature and characteristics of injuries sustained by Brazilian jiu-jitsu practitioners.
  • To analyze injury patterns in relation to training, competition, and conditioning environments.

Main Methods:

  • An online survey was distributed to International Brazilian Jiu-Jitsu Federation (IBJJF) registered schools and local BJJ practitioners.
  • Data collected from 56 participants included demographics, training habits, competition frequency, and injury details.

Main Results:

  • The majority of participants were male amateurs training over six hours weekly, with an average of 6.9 years of experience.
  • Most common injuries affected the finger/hand (78.6%) and knee (61.5%), with hand/finger fractures being most frequent.
  • 85.3% of injuries occurred during training, and 48.7% required medical attention, with few needing surgery.

Conclusions:

  • Amateur BJJ practitioners are most susceptible to injuries, predominantly in the upper extremities.
  • Injuries typically occur during training or conditioning, not during competition, highlighting the need for targeted prevention strategies.