How does a joint lock work?
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. Joint locks typically involve isolating a particular joint, levering it in an attempt to force the joint to move past its normal range of motion.
Do joint locks work in a fight?
Wrist (and other joint) locks are very practical in street fights if you train appropriately for them. They are used by police around the world, in lieu of chemical sprays and tasers, to restrain and control violent suspects.
What is joint locks in martial arts?

An armbar being used by a Brazilian Jiu-Jitsu practitioner. A joint lock is a grappling technique involving manipulation of the joints as to cause them to reach their maximum extent of motion. Martial arts which use joint locks include Judo, Brazilian Jiu-Jitsu, Hapkido, and Aikido.
What martial art uses joint locks?
Some of the martial arts that that use joint locks significantly include Aikido, Hapkido and Brazilian Jiu-Jitsu. Joint locks work by applying pressure on a joint and pushing it in an “unnatural” direction (i.e. locking an arm and forcing an elbow backward).
Are Wristlocks effective?
One of the most underrated submissions in Brazilian Jiu Jitsu is the wrist lock. Wrist locks are extremely versatile; they can be used in gi, nogi, from guard, passing, and several other positions. Wrist locks are sneaky, simple, and effective. So many people don’t see them coming and they come on extremely fast.
Are wrist locks illegal?

The answer is, ‘Mostly yes. ‘ The table on page 24 of the IBJJF rulebook clearly shows that wristlocks are illegal for kids, adolescents, and white belt adults. But for adults at blue belt level and above they are allowed.
Do standing joint locks work?
Standing armlocks are not submission holds and are not restraints. Properly executed they are almost always actually joint breaks and are very difficult to incorporate into your sparring and to become proficient in without damaging your training partners.