Questions tagged [judo]

Japanese modern martial art, combat sport, and Olympic sport of throwing, pinning, choking, and locking; developed by *Kano Jigoro* in 1882.

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0answers
73 views

Origin of the triangle choke?

The triangle choke as used in Judo and Brazilian Jiu-jitsu has its origins in early 20th century Judo: Original Translation Photograph from article この技法は大正十一年の高専柔道大会で六高柔道部生徒達によって初めて繰り出され、それ以降... ...
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Is an arm-triangle (choke from kata-gatame) a legal submission in Judo?

When holding an opponent in kata-gatame: by applying pressure to one side of their neck with their trapped shoulder, and the other side with your enclosed arms, you can apply an arm triangle choke, ...
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Origin of kata-guruma?

In an interview with Torahei Ochiai in the 1920's, Jigoro Kano states that he adopted kata-guruma from wrestling's fireman's carry.1 However, the Kodokan Judo Throwing Techniques book posits a ...
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1answer
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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, ...
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What is Uki-gatame?

In 2017 the Kodokan recognised 3 new osaekomi-waza classifications: uki-gatame⠀⠀⠀⠀⠀⠀⠀ ura-gatame historically has referred to multiple pins, but in modern use refers to a hold with one's back to uke ...
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Could Non Newtonian fluids make better judo mats?

I just had a weird thought... We now have a kind of technology that cushions impacts called non Newtonian fluids. Is there a reason we are not yet making judo mats using these materials? They have ...
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2answers
576 views

What is kubi-nage?

I have occasionally seen a throw called kubi-nage ("neck throw") referenced in Judo. This isn't a Kodokan-recognised name, but the throws I have seen described as it appear to be very similar to koshi-...
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1answer
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Judo techniques with their origin in BJJ?

Are there any techniques developed independently in BJJ since it branched off from judo which have hence been incorporated into Judo to success? E.g. a novel type of armlock/strangle/pin, a non-...
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1answer
138 views

How are pins classified in Judo?

A number of changes have been made to Kodokan osaekomi-waza classification over the years; how are different pins distinguished in Judo?
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Naming system of Judo techniques

Is there a system to the way judo techniques are named? Many techniques seem to share components of names (harai, guruma, gaeshi etc) - is there a standard uniform way these words should be ...
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1answer
264 views

How are chokes/strangles classified in Judo?

The Kodokan has numerous materials detailing the canonical versions of their shime-waza along with several variations. However, there are a large number of competition chokes (and novel chokes ...
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What is the difference between judo and wrestling?

Wrestling involves pinning, choking, and making someone fall to the ground. The same features are involved in judo. What is the difference between judo and wrestling?
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Are there any overlaps between the Judo kodokan techniques and Sumo's kimarite?

Looking over the wikipedia list, it seems like some of the kakete techniques might be near or even pure analogs of judo throws. Kekaeshi for instance, would be a good candidate. But others involve ...
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8answers
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Is the highest judo belt really red?

I found a graphic detailing belt colours according to ranks. In there, the last two judo ranks are red and white for 6-8th dan ranks and full red belts for 9 and 10th dan. Is the highest judo belt ...
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How are arm-triangle chokes classified in Judo?

There are various styles of choke which involve an arm-triangle (or inversion of this technique): Choke example Kata-gatame choke North-South choke (with arm in) D'Arce choke Anaconda choke Von ...
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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 ...
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6answers
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What is the good path to become a Judo teacher?

I am currently 15, live in a small town in Switzerland and have a green belt. There is a small, local Judo community that mostly trains young children from white to orange belt. There are currently ...
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Origin of kawazu-gake?

There have been multiple proposed etymologies for the judo throw kawazu-gake (河津掛): Named after a famed sumo wrestler, Kawazu Saburo Sukeyasu Named after "frog" (蛙 old japanese kawazu, ...
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3answers
128 views

Types of neck throws?

Are there throws in Judo or other grappling styles that involve gripping (encircling) the neck to make the throw, and, if so, how dangerous are they? (Alternately, are they impractical, unlikely, easy ...
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Why is osoto guruma named osoto “guruma”?

Osoto gari translates to "large outer reap". That makes perfect sense as it is a large reap on the outer leg. Osoto guruma translates to "large outer wheel" and the "wheel&...
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In Tournament or Competition Judo can you use improvised techniques or throws that are not “officially” named?

Well, the title pretty much asks it all. Basically, if you work on a technique of your own, and it does not involve arm or leg locks, or submission tactics,... if it is a basic "throw" or &...
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What Level Of Expertise Did Theodore Roosevelt Have In Judo?

During his tenure as president, Theodore Roosevelt held a third-degree brown belt in Judo (according to Wikipedia). I know that in standard ranking systems, a third-degree brown belt is just below ...
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Breakfalls in competition

I've done judo on and off for a number of years and haven't really competed. Now that I've started back I'd like to (once I feel I'm good enough) start entering more events. Due to years of club ...
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534 views

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

I have seen the throw yama-arashi done in multiple ways: 10 dan Mifune performs it without sweeping uke's leg. In the Kodokan training video tori performs yama arashi with an obvious leg sweep (...
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1answer
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De-ashi-harai or De-ashi-barai?

I have seen 出足払 ("advancing foot sweep") written two ways by the Kodokan, with the 払 part transcribed as 'harai' (は)1 or 'barai' (ば).2 3 How is the name of this technique pronounced in Japanese? With ...
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How dangerous is it to choke someone unconscious or to be choked unconscious?

A little background: I was practicing with my instructor one morning. It was just him and me and we were doing free training of submission grappling. At one point I managed to get him in a choke ...
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5answers
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What submissions are not allowed in competitive Judo?

After watching a number of matches during the Olympics it seemed like a lot of opportunities for submissions weren't even pursued. In the matches I observed I only saw two legitimate submission ...
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2answers
163 views

When were modern mats introduced into Judo, and did it change the way the art could be taught?

I've read that the original mats were tatami on hard floor, and I have to wonder if people also trained outdoors on dirt. There's obviously a greater chance of injury, compared to modern mats. Do ...
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What Dojos Teach 'Police' Kendo?

The Japanese police have their own version of kendo that incorporates Judo moves. Is there any other place, other than the Japanese police academies that teaches a similar version of kendo or a ...
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1answer
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Contemporary Kodokan curriculum?

I'm quite interested in the conversation between Judo & Jujutsu, and Judo and BJJ, and was inspired by this question to inquire about the contemporary Kodokan curriculum. What is the scope of the ...
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How can I improve my technique in Judo?

When I'm in randori, the technique that I mostly do that works nicely is Harai Goshi, but I'm starting to get countered since I do it often. When I try to do something like Seoi Nage, I can never seem ...
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1answer
235 views

How has BJJ innovated since diverging from Judo?

Brazilian Jiu-Jitsu has its roots in early 20th century Judo, but has developed independently as a distinct martial art focused on groundwork in the century since then. It maintains a number of ...
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1answer
44 views

How did Kayla Harrison supplement her Judo for grappling & ground fighting in MMA?

Did she focus on learning BJJ, or stick more with and Judo and Japanese Jujitsu? Does her MMA style reflect Brazilian influence, or is it still predominantly Japanese? (My sense of Judo is that it is ...
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Why aren't forbidden moves in grappling sports like Judo and BJJ also a problem in MMA?

Bear in mind I only very recently started watching combat sports, so I'm still unfamiliar with many techniques and the history of the various sports. Explain it like I'm 5 if you must. In Judo and BJJ,...
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38 views

How did removal of the gi affect contemporary MMA?

Did it remove an advantage for BJJ and Judo players? If so, can it be said to have beneficial for those arts, forcing the competitors to do what they do with having a tool?
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What is the name of this ne waza?

What is the name of this ne waza? https://youtu.be/VfI22dZ979A Youtube transcript from commentator: The attacker drops down to a drop [knee] seoi. It fails, keeps pulling his opponent down. Once it ...
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2answers
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Which Style out of the 3 should I start with

Hey guy so I'm pretty young as of now and I'm planning to learn some martial arts in the future so I need some help choosing the first one to start with. I plan on learning Southpaw boxing, Taekwondo, ...
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4answers
1k views

Are there martial arts known to synergize with Judo?

Intro Following a bit of studying, I have found that I am interested in learning Judo, as it matches my life philosophies of being gentle but not defenseless. However the schools of Judo accessible to ...
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How many international judo competitors throw ambidextrously?

I am trying to understand how often playing opponents as one-sided may backfire. If an opponent is right-handed only, you would prioitize preventing the right hand from gripping and not worry so much ...
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Why are Judo's Seiryoku Zen'yo Kokumin Taiiku exercises seldomly practiced?

In Kodokan Judo by Jigoro Kano (the founder of judo), chapter 19 Seiryoku Zen'yo Kokumin Taiiku contains a catalogue of individual striking exercises called Tandoku Renshu and partner exercises called ...
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1answer
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Why is judo's Katame-no-Kata so free-form relative to Nage-no-Kata?

The first two kata taught in judo are Nage no Kata (throwing forms) and Katame no Kata (grappling forms). Here is also a second Katame no Kata video with different escapes for the first pin kuzure ...
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How does gripping with the thumb spoil foot movements?

This quotation is from Dynamic Judo Throwing Techniques by Kazuzo Kudo (9th dan), p. 27 Seizing your opponent's practice suit—whatever part of his suit you grab, remember to do so using your ...
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1answer
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Is it ok to sew the sides of my Judo gi?

My new gi trousers have sides with splits to allow the person to get in and out easily. I am too thin for this gi but I have to use it as I am very tall. is it ok to sew these sides up so that my gi ...
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2answers
159 views

What are the major differences between a mentor and a cornerman, and why would one be preferable to the other?

Mentor vs Cornerman: What are the major differences between these roles? For example: Trust level Confidence in advice given Formal vs informal relationship Things you talk about And is your ...
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The name of a throw where the tori starts from a headlock

I saw this throw demonstrated earlier today in a children's judo class. The tori starts in a headlock (or perhaps puts their own head into one), pushes their inside arm through to grab at the back of ...
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Should I give up my back on purpose so that I can do this throw?

I'm pretty sure the name of this throw is called Ippon Seoi Nage. It looks like this: I would say that it is fairly simple and it was one of the first ones I learned. It happens when someone takes ...
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3answers
152 views

Is the 'sticker' a kosoto-gake, or de-ashi-barai?

There is a foot-sweep technique in Judo known as "the sticker", 1 2 3 4 5 though it is variously described as a variant of kosoto-gari / gake, and de-ashi-barai. How does the Kodokan classify this ...
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1answer
246 views

What did Judo change/innovate when it branched from Jujutsu?

What did Judo change/innovate from Jujutsu? I understand that Kano, the inventor of Judo, borrowed from Jujutsu, and his style was originally called Kano Jujutsu. And I understand that he removed ...
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1answer
147 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 referred to bent arm figure-four elbow/shoulder locks and the latter referred to armbars (...
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Judo vs bjj confusion

I am starting to get interested in martial arts. BJJ is by far the most popular in my area, but I looked into judo, and it seems to me that judo is the more complete martial art than bjj. Am I ...