Questions tagged [sport]

Questions related to martial arts when treated as a sport, and the pursuant official rules and regulations.

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6
votes
2answers
454 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
890 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,...
11
votes
3answers
2k views

Do pins in judo have to be standard pins?

If in judo we execute a pin that different from a "standard" Osaekomi-waza, but still pins the opponent on their back or puts enough pressure for them to tap out, does it still fully count for ippon? ...
6
votes
1answer
565 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).
9
votes
2answers
1k views

Reliable Statistics About Martial Arts

Are there any reliable statistical numbers about the practice of martial arts worldwide? I'm very curious about the how widespread such practices are, where they are most popular, what styles & ...
7
votes
2answers
307 views

Is there a pin in Judo that cannot be classified as a standard pin?

I was recently inspired by this question: Do pins in judo have to be standard pins? The answers given are obviously correct as the Judo definition of a pin is a lot more loose than what the question ...
3
votes
2answers
300 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
2answers
241 views

Criteria for a Martial Art to be considered as an olympic sport?

The title pretty much explains it. What criteria have to be met for a martial art to be considered for inclusion in the Olympics. I understand that there has to be some semblance of international ...
5
votes
1answer
392 views

Is the crucifix a valid osaekomi-waza?

The IJF in 2013 (and the Kodokan in 2017) recognised two new pins as valid osaekomi-waza in competition: uki-gatame, and ura-gatame. I have seen the term ura-gatame refer to 2 distinct positions: ...
5
votes
1answer
228 views

Why was blue chosen to distinguish competitors' judo-gis?

In the 90's the IJF introduced a requirement for one competitor to wear a blue gi, and the other a traditional white gi, in order to better distinguish them during high level competitions.1 Was there ...
4
votes
1answer
255 views

Is the “baseball choke” legal in Judo?

Since at least 1999 judo has banned any chokes applied using the skirt of the jacket. This rule was re-emphasised in 2014 after a variant of suso-jime was used to success multiple times by Yarden ...
4
votes
2answers
299 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, ...
3
votes
1answer
123 views

Is the North-South choke legal in Judo?

From a kuzure-kami-shiho-gatame position one can apply the North-South choke. This can be finished with the arm in the hold (as in an arm-triangle position), but I have most often seen it ...