A joint lock is a grappling technique involving manipulation of an opponent's joints in such a way that the joints reach their maximal degree of motion and hyperextension. In judō these are referred to as kansetsu-waza (関節技, "joint locking technique") and in Chinese martial arts as qin na, which literally means "catching and locking".
A joint lock is a grappling technique involving manipulation of an opponent's joints in such a way that the joints reach their maximal degree of motion and hyperextension. In judō these are referred to as kansetsu-waza (関節技, "joint locking technique") and in Chinese martial arts as qin na, which literally means "catching and locking".
Source: Wikipedia "Joint lock" · CC BY-SA 4.0
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