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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Underwater Rear Naked Choke

I play waterpolo and while it is not often that I am blatantly choked out it has happened enough that I was wondering if you guys had any ideas for escaping a rear naked choke while underwater. The ...
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11 votes
8 answers
2k views

Why do we do ukemi aka break falls?

In Aikido (and Judo, Jujitsu, etc...) we do a lot of break falling or ukemi. It is one of the first thing to is taught to beginners. It is the first thing that they are graded on and one of the ...
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8 votes
2 answers
361 views

Etymology and meaning of ukemi

I believe that ukemi can be translated as receiving body (受け身). It is what uke (受け, whoever receives the technique) does when nage (投げ thrower) or tori (取り, grabber) applies a technique. Am I correct ...
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11 votes
7 answers
21k views

What are the long term health consequences of practising judo?

I'm starting to think getting smashed into the ground on a regular basis might not be too good for the body.
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5 votes
1 answer
1k views

What are the chances of breaking my nose if I take up a Judo class?

I was thinking about joining a judo club near my house, but I was wondering what kind of injuries I have to expect by practising this martial art (I'm especially worried about my nose, my nasal septum ...
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7 votes
4 answers
319 views

What do I need to watch out for when dealing with shorter opponents?

I'm in Japan teaching English (as part of the JET Programme) at a middle school, and I joined their Judo club. At 183+ cm (6 ft+ - I actually have to be careful of some doorways) and ~76 kg (~167 lbs)...
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6 votes
2 answers
436 views

Why did Kano focus on grappling?

It seems like Kano could've easily gone a different direction and focused on striking, weapons, or even a general sport. Why did he have such a keen focus on grappling in particular?
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5 votes
3 answers
506 views

When doing a hip throw, is there a such thing as too low?

Hip techniques are performed by lowering your center of gravity below your opponent's. Throws require less effort the lower you are; is there a point where it'd take more effort if you went lower?
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3 votes
1 answer
181 views

Why is seoi-nage a hand technique?

What makes seoi-nage a hand technique instead of a hip technique? Is there something fundamentally different about it that separates it from hip techniques like o-goshi and koshi guruma?
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2 votes
1 answer
335 views

Why do we train martial arts? [closed]

I've been doing some serious thinking on WHY I am doing martial arts. I can't get it out of my mind and that's all I've been thinking about. This all happened after a trip to Japan and Australia with ...
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6 votes
1 answer
112 views

Why is osoto guruma in dai gokyo?

My understanding is that nage-waza is grouped by factors such as difficulty of break-falling and throwing difficulty. Is there a reason osoto guruma is in dai gokyo while osoto gari is in dai ikkyo?
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11 votes
5 answers
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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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3 votes
2 answers
413 views

Teaching wrestling to a Judoka

I am coaching a youth wrestling club, and one of the wrestlers has a three year background in Judo. What are the most importance points for a judoka transitioning to (folkstyle) wrestling? I know ...
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5 votes
2 answers
596 views

Why is O guruma classified as an Ashi Waza

According to wikipedia O guruma is classified as a foot throwing technique. However my understanding was that the arms do the main work of breaking the balance and the leg acts as a block/pivot. Is my ...
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  • 275
9 votes
3 answers
1k views

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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2 votes
3 answers
6k views

Getting my (do)gi white again

I have read this M.A. question: What are the ways to get sweat stains out of a Gi? My gi is at least two years old (probably a lot older). It is an Adidas J800 (do)gi. It is 30% polyester (800 g/m² ...
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12 votes
3 answers
711 views

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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  • 275
11 votes
3 answers
850 views

Learning not to turn your back on ground?

As a judoka, I've the bad habit of turning my back when ever I get in trouble in groundwork. In competition judo, you only get points for throwing your opponent, and landing stomach down doesn't ...
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6 votes
2 answers
395 views

Utsuri goshi vs ushiro goshi usage

They're both similar in execution and used as counters against hip techniques. Are there any reasons to prefer using one instead of the other in various situations?
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8 votes
2 answers
1k views

Judo zarei difference between men and women

I have read this page about reishiki ("dojo etiquette") and have a question about zarei (the kneeling bow at the beginning or end of the class). Many sites describe a difference in zarei for women ...
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17 votes
3 answers
3k views

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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27 votes
7 answers
6k views

To what extent do (should) judo and BJJ overlap?

I'm fairly well acquainted with the history, concepts, goals, and methodology of judo and BJJ. I realize that BJJ evolved from judo, and that both involve takedowns/throws and chokes and joint ...
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9 votes
3 answers
3k views

How do you choose which judo techniques to practice? (tokuiwaza)

Background: Age 34, I'm a 6ft 2 inch, 95kg mesomorph and have been at 3rd kyu for about a year now. For the most part, I am an ambidextrous player, with little preference as to which side I attack ...
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  • 624
11 votes
2 answers
2k views

Understanding the nature of a high ranking judoka?

This is sort of a theoretical question that isn't as superficial as it will initially sound-- Take any one of the three living 10th dan judoka, the youngest of whom is 86. I would imagine that the ...
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8 votes
3 answers
383 views

Who was the first female judoka?

Who were the first female judo players? When did they train? Keiko Fukuda was promoted to fifth dan in 1953.
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12 votes
4 answers
1k views

Where can I find or how can I make a tailored white dogi for women?

Does anyone know of a good supplier of white dogi for either aikido or judo that are tailored to women? If not, does anyone know of homemade modifications that can be made to a "male" dogi to make ...
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9 votes
3 answers
812 views

Judo gis for lanky players?

Lately a lot of BJJ Gi manufacturers have been making gis that are fitted for lanky players, but of those that make slim cut BJJ gis, their Judo gis are still just the standard cut (even Fushida now, ...
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14 votes
5 answers
32k views

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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12 votes
4 answers
26k views

How is the scoring determined in Judo for the Olympics?

I've been watching the Olympic Judo matches and I'm confused. I know that ippon is an instant win. And 2 waza-ari are the equivlent of an ippon. But then there is another number associated with the ...
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10 votes
2 answers
1k views

Can a Judo athlete compete in more than one weight class in the Olympics?

I am specifically speaking about the London 2012 games. I am not asking if any athletes are doing this, just whether it is technically permitted. Wikipedia says nothing, but this was allowed in ...
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10 votes
3 answers
16k views

How to get fit (again) for Judo

So, I've started doing Judo again after 8 years abstinence (I'm 28 now) and I really suck fitness wise and technical wise. Unfortunatly we only have training once a week which is probably not enough ...
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17 votes
3 answers
5k views

Is there any documentation of newaza in Fusen-Ryu?

Renzo Gracie's book Mastering Jujitsu makes the interesting and not otherwise repeated claim that BJJ is descended directly from Fusen-Ryu rather than Judo. Allegedly, while Judo was cleaning up at ...
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10 votes
3 answers
2k views

Shoulder brace for Judo?

I've got a combination of neck and shoulder injuries on my left side. Neck from being spiked, shoulder from an americana and a west point ride suplex. I've definitely got weakness in my rotator cuff. ...
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14 votes
6 answers
6k views

Why do taekwondoists bounce so much? (And how do we help them stop?)

At training last night (Japanese JiuJitsu), we had two people with TKD backgrounds training with us. I couldn't help noticing how bouncy they both were. They both came from different TKD school, yet ...
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13 votes
3 answers
4k views

What can I do to improve my squat for judo throws during randori?

I am 6 foot 2 inches and weigh about 90Kg - I find it very difficult during randori to get a full turn in for (for example) O Goshi. My instructors are always telling me that I need to get lower and ...
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  • 624
14 votes
5 answers
5k views

Judo mats: any certification? what characteristics should one look for?

Is there any official certification system for Judo mats? What specific characteristics should one be looking for in a Judo mat? Remember the primary purpose of the Judo mat is injury prevention. ...
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5 votes
4 answers
1k views

What do instructors look for before allowing students to compete in judo?

Entrance into judo competition as a new judoka is contingent on the go-ahead of a recognized judo instructor. What criteria would an experienced judoka instructor use to make that determination? I ...
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4 votes
1 answer
690 views

Preventing jammed toe during judo randori

I have been practicing judo for about 6 months and I've found that I frequently manage to "jam" the big toe on my right foot during randori. Are there strengthening exercises that I can do for my big ...
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9 votes
4 answers
1k views

What benefits (if any) are there when listening to music while practicing? And does it depend on the style?

Listening to music while practicing is something I see many martial artists do; especially those in boxing and MMA; I have seen it less in wrestling and judo. Is this because of the stereotypic groups ...
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19 votes
16 answers
11k views

What are good exercises for building grip strength for judo and BJJ?

I'm looking for exercises to help maintain a grip on an opponent's gi while pulling them around. There are two elements to this: strength and endurance. Meaning, I want my grip to be hard to break but ...
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13 votes
8 answers
3k views

How can I improve my teaching of ukemi or break falling?

How can I improve teaching forward and flip (kote gaeshi and sumi otoshi for those that know what it looks like) breakfalls? I have been teaching those for a while and students do pick them up and ...
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25 votes
8 answers
16k views

How do I practice judo throws on my own without a partner?

How do you practice your judo throws at home or any time that you're by yourself? The leg movement is easy to do as long as you have the space, but proper arm movement and strength is hard to ...
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69 votes
11 answers
184k views

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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