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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2answers
3k views

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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1answer
1k views

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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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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54 views

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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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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1answer
66 views

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 ...
2
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0answers
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?
5
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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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2answers
79 views

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, ...
4
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1answer
72 views

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
363 views

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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1answer
120 views

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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0answers
138 views

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 ...
5
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1answer
89 views

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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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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2answers
195 views

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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3answers
200 views

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 ...
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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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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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3answers
222 views

To what extent can (and should) throws be used in Brazilian Jiu Jitsu?

Since BJJ primarily works on pins, escapes, takedowns, and submissions, and not much on throws, I thought that I could start learning throws to make my knowledge a little more "complete". Although I ...
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1answer
140 views

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
188 views

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 ...
2
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1answer
147 views

Is the “Gerbi choke” legal using your opponent's jacket?

After its use to success by Yarden Gerbi in 2014, the IJF clarified that the "Gerbi choke" (suso-jime1) is illegal in judo: Shime-waza - forbidden Shime-waza is not allowed with either your own ...
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4answers
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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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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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2answers
120 views

How are the clock choke and bow-and-arrow choke classified in Judo?

The canonical form of okuri-eri-jime refers to chokes where one lapel is held with the inside of the wrist against uke's neck, and the other is pulled taught to apply the strangle. The canonical kata-...
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2answers
101 views

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
111 views

What is “momo-guruma”?

What kind of judo throw is momo-guruma? It doesn't appear to be recognised by the Kodokan by this name, how is it performed and/or classified?
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1answer
347 views

Etymology of Tsubame-gaeshi?

Why is tsubame-gaeshi ("swallow reversal") thus named? Wouldn't it have been more natural to name it deashi-gaeshi in line with the other kaeshi counter-throws?* * Osoto-gaeshi, ouchi-gaeshi, uchi-...
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1answer
214 views

What is “Tengu-nage”?

Famous judoka Yokoyama Sakujirō was known by the nickname Tengu, and his tokui-waza was hence named tengu-nage: Yokoyama's specialty was tengu-nage ("mountain-devil throw"), said to be nearly on a ...
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1answer
66 views

Etymology of Yama-Arashi?

Most1 Kodokan judo techniques are named in a somewhat systematised way, describing the major visual/mechanical components of the technique (e.g. koshi-guruma "hip wheel", o-soto-gari "major outer reap"...
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39 views

Best self defence Martial Art for small woman? [duplicate]

I am a highschool girl, and I need to learn how to defend myself. I’ve looked into Muay Thai but I want to find something fit for me: I’m small - skinny and short. I am very agile but I lack strength. ...
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2answers
725 views

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

What is the main difference between Osoto-Otoshi and Osoto-Gari? I am beginner, and I know that the movement of the right leg is different. But what is the difference of the arms movement and body ...
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2answers
449 views

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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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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1answer
86 views

How has Kodokan technique classification changed over the years?

Over the years several new techniques have been added to the Kodokan judo syllabus, and some variants of existing techniques have since gained their own official names. How has technique ...
3
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1answer
130 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 ...
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2answers
202 views

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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1answer
199 views

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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2answers
109 views

Did Jigoro Kano invent the concept of Kuzushi in judo?

It is oft claimed that one of the distinguishing points between Kano's Judo and the schools of Jujutsu that came before was that he introduced the concept of kuzushi ("balance breaking") ...
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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 ...
4
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1answer
274 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 ...
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3answers
263 views

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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5answers
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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575 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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6answers
2k views

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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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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2answers
208 views

What style(s) of Jujitsu did Jigoro Kano study?

I have read that in Japan there was a general system called jujitsu. However there were hundreds of branches of jujitsu. Most samurai were trained in different branches of jujitsu. Basically any ...
3
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1answer
164 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, ...
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1answer
586 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).