15 votes
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When was throwing introduced to martial arts?

Earliest examples of wrestling Wrestling has been a part of most societies since time-immemorial: Fresco in tomb 15 at Beni Hasan, Egypt ca. 2,000 BC. The earliest known historical European ...
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14 votes
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Why is using wristlock throws so frowned upon in BJJ even though they are not illegal?

First, you need to ask your instructors and senior students about anything you see them turning their noses up to. Do this reflexively. Always ask why. If they have no good answer for you, other than ...
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12 votes
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Should I give up my back on purpose so that I can do this throw?

You do not purposefully give your back. You do not "give" anything. Applied correctly, your back is safe. There are some misconceptions here. You do not simply "give your back". Throwing is something ...
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10 votes
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In Tournament or Competition Judo can you use improvised techniques or throws that are not "officially" named?

Judo competition is not graded on the name of the technique you do. It's graded on whether you throw the opponent on their back, pin them, strangle them, put them in an armlock, or break the rules. So ...
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9 votes
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Sumi Gaeshi or Obi Tori Gaeshi?

I take Toshiro Daigo's book Kodokan Judo Throwing Techniques to be the official word on throw classification. Daigo is the chief instructor at the Kodokan, the mother school of judo in Tokyo, Japan. ...
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9 votes
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Problems hip throwing a larger opponent

If you are 75 kg, then you should not have a problem throwing an opponent who is 102 kg with a basic hip throw. The major hip throw (ogoshi) is the first hip throw in the judo curriculum. It's ...
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9 votes

Does practising judo increase the likelihood of sustaining a brain injury?

Yes, playing judo introduces the risk of brain injury. Judo is a contact sport. Competitive judo is a very contact sport. If you play rough and don't take ukemi properly, you risk concussion. The ...
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8 votes
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How many takedown techniques exist in Judo

The Kodokan still recognizes 67 official throwing techniques, but not all of them are allowed in competition, and some of them have been banned in competition for some time. The whole classification ...
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8 votes

Why is using wristlock throws so frowned upon in BJJ even though they are not illegal?

Most throws in BJJ descend from western wrestling, or Judo. In both of these arts, the focus is on taking the opponents balance. Resisting one of these throws does not matter much: if someone is ...
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8 votes

The name of a throw where the tori starts from a headlock

This looks like a kouchi-makikomi. In this video's variation, tori is first entering for a sode-tsurikomi-goshi, and tori's head ends up in a similar position to a front headlock. There is no ...
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7 votes

Does practising judo increase the likelihood of sustaining a brain injury?

Based on this NYTimes article: The frequency of judo deaths in Japan gives 108 deaths since 1983. I will not paraphrase the article but other nationality report no deaths in the last decade or so. I ...
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7 votes

Why is using wristlock throws so frowned upon in BJJ even though they are not illegal?

I find wristlock throws to sometimes be frowned upon because they are somewhat dangerous due to the speed with which they must be applied to be successful, and their unfamiliarity. Unfamiliarity can ...
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7 votes
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What is the difference between kosoto-gari and kosoto-gake?

Excerpt of Canonical Answer This quotation is attributed to Kyuzo Mifune on page 162 of Kodokan Judo: Throwing Techniques by Toshiro Daigo. Sweeping is similar to brushing an extremely light object ...
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7 votes
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What is kubi-nage?

Kubi-nage appears to have been coined by Mikinosuke Kawaishi, as the earliest references to judo throws by this name appear in his works.2 3 He describes it as a hip-throw with the arm wrapped around ...
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7 votes

Do leg sweeps work with big people with muscles?

I'm roughly 105kg. One day at the gym, a guy who was maybe 70kg caught me with a low spinning back sweep which almost snapped my achilles. I wasn't very experienced back then, and I like to think I'd ...
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6 votes
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Martial arts based on throws

The main risk for a detached retina is head impact, not necessarily eye impact. Although, yes, you want to avoid getting punched, kicked, or poked in the eyes. Although it does put an emphasis on ...
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6 votes

Which types of throws can lift the heaviest weight (hip throws, shoulder throws, etc.)?

Foot sweeps Assuming that your objective is to put the opponent on the ground and not actually lift them, foot sweeps are the throw that will work for the greatest size disparity. Foot sweeps work ...
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6 votes

Should I give up my back on purpose so that I can do this throw?

DO NOT GIVE UP YOUR BACK. Not only is this bad habit in competition, but this can become a bad habit in the case of a real altercation, which could cause serious harm. In competition, as the other ...
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6 votes
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What sort of throws are illegal in Muay Thai and why?

I think Sylvie conveys the right feeling in this article: I’ve fought over 100 times in Thailand and honestly I have never had a completely clear picture of what is and is not a legal throw in Muay ...
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6 votes
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Escapes from standing rear mount

The orthodox BJJ response to someone on your back with hooks is to first strip the hooks then shuck them off, while protecting the neck. One can do this by standing upright and pushing the hooks down, ...
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6 votes
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Want to know the proper name of a Judo throw

The judo name is sasae tsurikomi ashi (propping, lifting-pulling leg). Your mechanics description matches this quite well. Done in a minimalist judo style, the leg is not kicked, but simply blocked.
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5 votes

Does practising judo increase the likelihood of sustaining a brain injury?

According to the following paper, Injuries in judo: a systematic literature review including suggestions for prevention: severe injuries in judo are rare, but when they do occur they are mostly to ...
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5 votes
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Etymology of tomoe-nage?

Tomoe (巴) refers to a circular anti-symmetric symbol commonly found in Japanese heraldry. The usage in the judo throw specifically refers to the two-tailed version, futatsu-domoe: This is very ...
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5 votes

Origin of kawazu-gake?

First of all, as a disclaimer, it does happen that experts will disagree with each other and that no consensus is reached on what the definitive answer is. That being said, this is typically because ...
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5 votes

Why were leg grabs removed from competitive judo?

I have seen no official documentation for this decision, so I can only relay what I have heard from international referees on this subject. Olympics The word in US referee clinics at this time was ...
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5 votes
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Osoto-gari grabbing uke's neck or hair

Grabbing neck to throw This is illegal. Judo kata has many techniques that are forbidden in sport judo because it is only safe to practice them in controlled situations. As a referee I would call ...
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5 votes

What is the difference between Yama-arashi and Harai-goshi?

Yama arashi examples from Kodokan Judo Throwing Techniques show sweep In Toshiro Daigo's book Kodokan Judo Throwing Techniques published by Kodansha International in 2005, which I consider the best ...
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5 votes

What is the difference between Yama-arashi and Harai-goshi?

Just to add to MattM's answer, here is how the Kodokan Throwing Techniques video illustrates the difference in the sweeps in the two throws: Technique Characteristics Example Yama-arashi - same side ...
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5 votes

What is the difference between Osoto-Otoshi and Osoto-Gari?

The Kodokan Judo Nage-waza video illustrates the differences in its section on Osoto-otoshi: Let's look at the differences between osoto-gari and osoto-otoshi. If your opponent's foot goes ...
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5 votes

When was throwing introduced to martial arts?

Re-calibrate your expectations. Nobody invented throwing. Wrestling is pre-human. Mammals wrestle as both bonding and male-dominance-hierarchy behavior. Monkeys wrestle. Lions wrestle. The ...
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