shiran, on Dec 4 2007, 01:48 PM, said:
The 2nd is using your own arms and crushing the arm. I've probably been taught this move by every Judo teacher I've ever had, but I don't believe it is any form of ude garami as its a crush and not twisting the joint. I was told by 2 BJJ purple belts it is illegal in BJJ.(pressurel2.jpg)
Do you think these 2 grey area techniques have slipped through history but should be discarded?
If they are not allowed, then why are they not taught under the conditions they are only for SD?
Have you been taught these techniques by your teachers?
If so, what does that mean for us? That while they exist in Judo books, movies, and are currently taught, they should be banned as they are not attacking the correct area of the arm as they are not qualified as ude garami?


Um ... no, nothing is being 'crushed'. There does not exist anything such as 'crushing' the arm in jûdô, provided that it would be physically even possible to 'crush' an arm. This is complete nonsense. You are trying to describe from a picture a technique which you obviously are unfamiliar with ... in judo. In the technique shown, the left shin pins the humerus or upper arm against the mat, whereas the upper body pushes the underarm sideways in a twisting motion. It is an unusual technique in jûdô. Sankaku-gatame as a term is an abbrevation of ude-hishigi-sankaku-gatame, thus a form of overstretching whereby control is exerted by the legs put into a triangular motion. The technique shown technically cannot be 'sankaku-gatame', since it does not fall within the class of ude-hishigi, but of ude-garami. Ude-garami does not have subdivisions.
There will always be movements in jûdô where discomfort increases by the extreme position a limb is in, produced by both trying to enforce and trying to escape from an armlock or choke. As judo is a martial art, traditionally, particularly in kôsen, one has always avoided making it into "winning by rules", hence why unusual applications were generally considered as creativity rather than violations. Nevertheless, this technique does not aim, nor does it achieve to crush. The force produced by a human is insufficient to 'crush' an arm. It would require the bite of large animal such as a tiger or alligator to do so, which can generate up to lbs 3,000 per square inch. No human can achieve such extreme forces.

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