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Understanding Joint Locks in Jiu Jitsu

Understanding Joint Locks in Jiu Jitsu

by JJB Admin

14 years ago

This article was written by Nicolas Gregoriades, who is a 3rd degree Jiu-Jitsu black Belt under Roger Gracie. Nic is an instructor at Subconscious Jiu Jitsu.

Generally, in order to apply joint locks in jiu-jitsu effectively, you need to follow this principle:

When attacking a joint, it’s important that you control both the joint directly above (proximal) and directly below (distal) it. This completely immobilizes the compromised joint and allows the applied leverage to be transferred more directly against it.

If you fail to do this, your opponent may be able to escape by rotating around the axis of the joint. A prime example of this principle is the straight arm-lock or juji-gatame. When attempting this technique, the joint that is being attacked is the elbow. The joint directly above the elbow (proximal to the centre of the body) is the shoulder, and the joint directly below it (distal to the centre of the body) is the wrist.

This is why when you learned the juji-gatame you were told to pinch your opponent’s shoulder between your legs and control his wrist by making sure his thumb was pointing to the ceiling. A violation of these two details of the technique often results in an ineffective joint-lock which allows the opponent to attempt an escape. It is sometimes sufficient to control just the joint directly above the attacked joint, but much more effective to control both adjacent joints simultaneously.

Below are some visual examples:


Effective joint-attack

jiu jitsu armbarBlack is attacking the elbow of white via an arm-lock. Notice how is he controls both the joint above (shoulder squeezed between legs) and below (wrist pinned to chest) the one he is attacking.

Ineffective Joint Attack

Fig 1b: Black is attempting to attack white’s foot/ankle with the Achilles-tendon hold. Notice how he has no control of joint above, which is White’s knee.Black is attempting to attack white’s foot/ankle with the Achilles-tendon hold. Notice how he has no control of joint above, which is White’s knee.


Try this out for yourself. Next time you are attempting a joint-lock submission on an opponent and it is not working properly, ask yourself “Am I controlling the joints both above and below?”. I think you will be surprised at what you observe.


If you enjoyed this article, then you may also enjoy our best selling book 'The Black Belt Blueprint' by 3rd-degree Jiu Jitsu Black Belt under Roger Gracie Nicolas Gregoriades.


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