Questions tagged [joint-lock]

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

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1answer
44 views

What is a “shoulder lock” in Judo terminology?

In a judo context, "elbow-lock" has a broader definition than in other martial arts, referring to both armbars and bent-arm rotational locks (since both manipulate the elbow joint for effect, ...
4
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1answer
351 views

Are omoplatas legal in judo?

Are omoplatas legal in judo? Though they cause pain to the shoulder joint, they "lock" (bend) the elbow joint to achieve this (as in ude-garami and te-gatame).
4
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2answers
229 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
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1answer
149 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 ...
4
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0answers
111 views

Were wristlocks ever part of Judo randori?

The Kodokan goshin-jutsu kata as well as several contemporary judo texts1 demonstrate various wristlocks as a self defence technique, similar to how atemi were also taught. However since at least 1908,...
3
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2answers
276 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,...
5
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1answer
144 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
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1answer
64 views

How are armlocks categorised in Judo?

I had always thought that the distinction between ude-garami and ude-hishigi-...-gatame was that the former attacked the elbow/shoulder joints by hyper-abducting the elbow/hyper-rotating the shoulder (...
6
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3answers
288 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
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2answers
526 views

Baratoplata vs Kimura

What's the main difference between a Baratoplata and Kimura lock? Or is a Baratoplata just another variation of a Kimura? Do they affect the same area of the arm?
5
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3answers
1k views

Why can't you rip your arm out of a BJJ arm lock?

So I've been watching a bit of BJJ lately and I've seen many techniques. Is it possible to actually rip or pull your arm out of an arm bar if someone's doing it to you. I mean, I've never seen it done,...
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3answers
2k 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 ...
5
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6answers
381 views

What is this name of this kind of joint lock?

Can someone tell me the name of this joint lock? Here is a still of the final position: It seems to be an Aikido technique (is it?) . Thanks
5
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1answer
571 views

What is the best way to avoid armlocks?

I have been doing grappling (Sambo/BJJ) and striking sports (Thai boxing, kick boxing and Savate) for 3 years. I am not good at attacking and defending against armlocks when standing. How can I ...