Questions tagged [joint-lock]

Submission technique involving immobilization and mechanical advantage to apply overwhelming force to a joint.

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6
votes
2answers
476 views

Are hammerlocks (te-gatame) legal in judo competition?

The Kodokan Kansetsu-Waza video demonstrates a number of variations of te-gatame where uke's arm is pulled up their back, applying a hyper-rotational lock to the shoulder (sometimes called a ...
3
votes
2answers
949 views

Why is ude-garami legal if it is effectively a shoulder lock?

Since 1925, judo competitions have nominally banned all joint-locks applied "anywhere other than to the elbow joint". Since its inception in 1951, the IJF has also adopted this rule. In spite of this,...
6
votes
3answers
353 views

Is there a way to reliably attack only a bent elbow joint with ude garami (Kimura, Americana)?

Joint locks in judo must nominally be on the elbow joint only. Ude garami, translated as the entangled arm lock and with variants are known as the Kimura or Americana in BJJ, often affects the ...
6
votes
1answer
585 views

Are omoplatas legal in judo?

Are omoplatas legal in judo? Though they cause pain to the shoulder joint, they "lock" the elbow joint (in a bent position) to achieve this (as in ude-garami and te-gatame).
7
votes
3answers
13k views

How do you release yourself from an arm being locked behind your back?

Suppose someone catches your hand from behind, locks your arm and controls you. (As can be seen in second 11 here: https://www.youtube.com/watch?v=Bvm_vhe24hY). Is there a way to release from this ...
5
votes
1answer
344 views

Why were leg-locks removed from Judo?

Early judo contained (in addition to strangles and arm-locks) various types of leg-lock. At some point in the early 20th century all leg-locks were banned in both randori and competition, and removed ...
3
votes
2answers
317 views

Is the Biceps Slicer a legal technique in judo?

There are a number of compression locks in grappling, which function with tori placing a limb (acting as a fulcrum) in the crook of one of uke's joints, and applying pressure to flex the joint over ...
11
votes
3answers
3k views

Arm bar crushes the groin

I know, that's weird. But I'm sure I'm not the only one who has had this problem. When I do my arm bar and I'm not wearing a jockstrap, I tend to crush my groin... You'll understand that in such a ...
4
votes
2answers
318 views

Were wristlocks ever part of Judo randori?

The Kodokan goshin-jutsu kata as well as several 20th century judo texts1 demonstrate various wristlocks as a self defence technique, similar to the teaching of atemi. However since at least 1900, ...