| Compression lock | |
|---|---|
 mutual Achilles | |
| Style | VariousGrappling Styles |
| Child hold(s) | Achilles lock |
Acompression lock,muscle lock,muscle slicer ormuscle crusher, is agrappling hold that causes severe pain by pressing amuscle into abone. A compression lock can cause ajoint lock in a nearbyjoint when it is applied by squeezing alimb over afulcrum. A forceful compression lock may damage muscles andtendons, and if accompanied by ajoint lock, may also result in tornligaments,dislocation orbone fractures. Compression locks can be used aspain compliance holds, and are sometimes featured incombat sports assubmission holds.
AnAchilles lock (also called anAchilles hold orAchilles squeeze orAshi-Hishigi in judo) is a compression lock that involves pressing theAchilles tendon into the back of theankle or lowerleg. It is typically performed by wedging aforearm, especially a bony part of it, into the Achilles tendon, while leveraging the foot and the leg over the forearm serving as a fulcrum. This causes severe pressure on the Achilles tendon, and often also results in anankle lock, since the ankle is being used as a point of leverage. Similarly, some ankle locks also cause a compression lock on the Achilles tendon, and hence the term "Achilles lock" is often also used to describe such ankle locks.
Abiceps slicer (also called abiceps lock orbiceps crusher) is a compression lock that involves pushing thebiceps into thehumerus. An effective biceps slicer can be applied by putting anarm or leg as a fulcrum on the opponent's arm at the inside of the arm by the elbow, and flexing the opponent's arm over the fulcrum. This will result in the biceps and forearm being pressed into the fulcrum. The biceps slicer becomes most effective as a compression lock when the bony parts of the limb such as theshin or any of the bones in the forearm are forced into the biceps of the opponent. The biceps slicer can also become a potentarmlock when it is applied in this manner, because the leverage causes an elongating and separating tension in theelbow joint, making this a legal technique injudo competition.[1] InBrazilian jiu-jitsu competitions however, the biceps slicer is an illegal technique in lower level divisions of some major tournaments.[2] Incatch wrestling biceps slicer variation is calledshort-arm scissors.
Aleg slicer (depending on the affected muscle also called for instancecalf slicer orthigh crusher) is a compression lock that involves pressing thecalf and/orthigh muscle into one of the bones in the leg. Similarly to the biceps slicer, a leg slicer can be applied by inserting an arm or leg in the backside of the knee, and flexing the opponent's leg to apply pressure to the muscles surrounding the fulcrum. Generally, the direction of the shin in the leg acting as a fulcrum will determine where the larger part of the pressure will go. Such leg slicers can be used as effective leglocks to the knee through a separating and elongating motion.[3] Similarly to the biceps slicer, the calf slicer is listed as a banned technique in the lower levels of some major Brazilian jiu-jitsu competitions.[2]
In professional wrestling, wrestlersAJ Styles uses this as a submission finisher move, calling it theCalf Killer inNJPW andTNA and theCalf Crusher inWWE whileZack Sabre Jr. mostly uses it as a move to transition into aBanana split.
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