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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" [1]) and in Chinese martial arts as qin na, which literally means "catching and locking".
Small joint manipulation is an illegal technique in most combat sports that feature joint locking such as Brazilian Jiu-Jitsu, judo, mixed martial arts and Sambo, since unlike standard joint locks, there is less of an opportunity to submit before the small joint breaks. Most combat sports post-2015 have identified and limited definitions of ...
The term "no-gi" usually refers to a form of competition and training that does not use the gi, the "combat kimono" worn in traditional martial arts. "No-gi Brazilian jiu-jitsu " is often used as a synonymous of submission wrestling in some circles, thanks to this art being a primarily ground fighting and submission seeking fighting style.
Many definitions of joint manipulation have been proposed. [1] The most rigorous definition, based on available empirical research is that of Evans and Lucas: [2] "Separation (gapping) of opposing articular surfaces of a synovial joint, caused by a force applied perpendicularly to those articular surfaces, that results in cavitation within the synovial fluid of that joint."
Hapkido emphasizes self-defense over sport fighting and as such employs the use of weapons, including environmental weapons of opportunity, in addition to empty hand techniques. Some schools also teach hyeong ( Korean : 형 ; Hanja : 型 ), the Korean equivalent of what is commonly known as " kata " (or "forms") in Japanese martial arts.
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Rotational wristlock by an Aikido instructor. A rotational wristlock (in budo referred to as kote hineri, and in Aikido referred to as a type of sankyō, 三教, "third teaching") [5] [6] is a very common type of wristlock, and involves forced supination or pronation of the wrist, and is typically applied by grabbing and twisting the hand.