There are different ways to make a person submit in Jiu Jitsu. One technique is the joint lock which involves manipulating the opponents joint in such a way that it reaches their maximal degree of motion. There are 5 types namely arm locks, leg locks, small joint manipulation, spinal locks and wristlocks. Unfortunately, some people dont do this right making what they are doing ineffective and here are the reasons why.
Poor mechanics is very common. To prevent this from happening, you have to learn the mechanics of this technique so you know precisely where to put your strength specifically most of your body weight into one joint.
Your joint lock will also be unsuccessful if your opponent is very flexible. Although rare, some people are able to bend their arms backward to almost a 90 degree angle or bend their wrist backward and touch the palm of their hands using their forearms.
Another possible reason is that your opponent has a high tolerance for pain. This means that even if you are able to do it correctly, that person is still able to withstand it.
If the person does not seem to have a high tolerance for pain, it is possible that your opponent...