Use and disclaimer
Educational purpose
Content supports learning and review under the direct supervision of a qualified coach. It does not replace training, individual assessment or medical advice.
Consent, gradual practice and tap-out
Practise with your partner’s consent, gradually and in a safe environment. Immediately release any hold on tap-out or any sign of discomfort. Do not attempt risky techniques without a coach. Consult a physician before participating when indicated.
Contact sport risks
Contact sports carry risks including sprains, dislocations and injuries to joints, the head, spine and other parts of the body. Content on this website does not guarantee safe execution.
Responsible use
Misuse for violence or injury is prohibited. To the extent permitted by applicable law, information is provided without guarantees of completeness or suitability for a particular person. Nothing excludes or limits liability that applicable law does not allow to be excluded or limited.
Ownership and sources
Videos remain the property of their creators and are linked or displayed using the official player. Illustrations require documented licences. Do not download or republish third-party media without permission.
Privacy and data
Data and preferences
Public reading requires no account. Language, theme and text size are stored locally; language is also remembered using the functional gbjj_lang cookie. This implementation has no analytics or advertising trackers.
YouTube
The external player loads when the page opens, using youtube-nocookie.com, without autoplay. Your browser connects to YouTube, which processes network data under its own policies. Playback starts when you click Play. A direct video link is also available.