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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Effectiveness of Throws on the Ground and Standing Up (Judo, BJJ etc) [closed]

Next year it's going to be a little more throwing-oriented year in my club (although we're still going to mix ground fighting and stand up fighting, submissions etc). My question is: how practical ...
8
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1answer
521 views

Judo - Why does the ref sometimes pause the match when it goes to the ground?

In watching some Olympic Judo matches I am confused as the why the ref sometimes stops the match when it goes to the ground, sends judoka back to their sides and then restarts the match. If someone ...
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3answers
162 views

Problems hip throwing a larger opponent

I am practicing Japanese Jujitsu, I am currently purple white stripe belt. Physically I am about 75kgs, and about 5ft 7-8. My problem is when I hip throw (Ogoshi) my regular uke, probably a few kgs ...
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3answers
245 views

Why can't you rip your arm out of a BJJ arm lock?

So I've been watching a bit of BJJ lately and I've seen many techniques. Is it possible to actually rip or pull your arm out of an arm bar if someone's doing it to you. I mean, I've never seen it done,...
4
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2answers
168 views

Fall Differences between Jiu-Jitsu, Aikido, Judo

I just started learning Jujitsu (Japanese not Brazilian) and the techniques for falling are different than judo and more similar to Aikido. When i learned to do a front or side fall thru my previous ...
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1answer
90 views

To prevent injuries, how do you discourage people from using excessive force?

This is basically a question about how to encourage randori (free play) versus shiai (competition) during throwing practice. Randori is supposed to be friendly; the objective is further development of ...
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2answers
270 views

How do blood chokes actually work?

This is prompted by this answer and the description of blood chokes included. It states that Cerebral blood flow (CBF) chokes involve restricting the flow of blood to the brain, thereby denying ...
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4answers
2k views

Have you seen a fight between *top* Judo and Aikido practitioners?

First of all, no disrespect to anyone. I am not trying to get into a discussion of which art is better/faster/more effective/etc... I get that the quality of the fighter is more important than the ...
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7answers
3k views

Do Aikido wrist locks work against stronger opponents?

As a part of my training in TKD, I learned how to do some wrist locks for basic self-defense applications. These are quite similar to some techniques from Aikido. However, in practice (during sparring ...
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3answers
279 views

how to survive not doing hardcore Judo after losing your ACL forever

I am 37, 1.80m, >85 kg. I used to train Judo twice or three times a week at competition level (although I was not participating in contests, I was training hard with those who did). About two years ...
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3answers
1k views

Arm bar crushes the groin

I know, that's weird. But I'm sure I'm not the only one who has had this problem. When I do my arm bar and I'm not wearing a jockstrap, I tend to crush my groin... You'll understand that in such a ...
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2answers
100 views

Extra training to avoid new injuries

I cracked the fourth toe a year ago and now every other training in judo or bjj it hurts (even though I am taping it together and avoiding foot sweeps). The doctor says there is nothing you can do to ...
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2answers
255 views

Do you take supplements like protein when you train in Martial Arts?

I've just begin training in Judo but I strength train independently. After gym workouts, I drink a protein drink to help with recovery and muscle growth. Does anyone else take protein or any other ...
3
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1answer
219 views

How many takedown techniques exist in Judo

I would like know if some one know how many takedowns exist in Judo ? I know a few years ago, the International Olympic Committee changed the rules for some takedowns. If I'm right, now is not more ...
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3answers
2k views

How do you prevent/mitigate finger injuries in judo/bjj?

As I am no longer a young man, I frequently find that my finger joints are swollen for a few days after judo practice. This is more a chronic overuse issue that has developed over years than an acute ...
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3answers
237 views

Does playing judo increase the likelyhood of one getting brain injuries?

I see many people accidentally fall down and land head first in this world. They end up in the hospital with permanent brain injury, while those luckier go directly to the graveyard. Judo is a sport ...
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2answers
195 views

Is it possible to learn martial arts only by myself? [duplicate]

I have great interest in martial arts, especially in judo technique. I really want to learn it but there is no such training institute . Is it possible to learn it from book and video lectures or some ...
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5answers
300 views

Mouthguards and judo

To all the judokas reading this, I was wondering how common are dental traumas in non competitive judo. How many dental injuries have you seen in your practice? Do you use mouthguards or know someone ...
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2answers
869 views

Judo or BJJ gi? And, which size?

Thanks for reading my question. I've just started to take a Brazilian Jiu_Jiutsu (BJJ) course. I'm 5'5"/165 cm and weigh 67-68.5 kilograms=148-152 pounds in general, and muscularly built because of ...
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10answers
1k views

Is 16 too late of an age to start hapkido or judo?

I'm 15 and would like to start martial arts when I turn 16. I want a year to get myself in to really good shape before I start. One more question, what were you guys like when you started and what ...
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2answers
304 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? ...
3
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2answers
645 views

Can i do judo or jiu-jitsu even if I have braces? [closed]

I'm just wondering if is it okay to be training mix martial arts even if I have braces. Because of the various throws and submission techniques, I'm just wondering if it would be bad for my braces or ...
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5answers
828 views

Does judo work against someone not wearing a judogi?

How would you evaluate a usefulness of judo on the street where the opponent is missing the judogi or any other kind of the outfit which could play that role. Basically I mean that t-shirt would be ...
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4answers
1k views

Teaching ukemi to children

Ukemi (break falling) is a vital skill when doing Aikido. Soon, my club is starting a children class (anyone between 8 to 17) and as instructors, we must teach the children how to break fall. Ideally, ...
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2answers
2k views

Difference between Judo, Karate and Martial Arts? [closed]

What is the difference between Judo, karate and martial arts? Is there any age limit to learn judo or martial arts?
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6answers
7k views

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 ...
6
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2answers
145 views

Correct position to leave an attacker after doing an strangulation to him

As a judoka, I always wonder about this issue. As far as I know, someone that has lost consciousness has a risk of swallowing his own tongue and dying after few minutes. In which position should I ...
2
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1answer
149 views

Stahara word usage

In the 1920 text, Secrets of Jujitsu by Captain Allan Smith (the pdf is readily available by googling), Smith refers to the abdominal region as the "Stahara". I've done some Japanese arts before, but ...
6
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1answer
426 views

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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8answers
949 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 ...
4
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1answer
190 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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5answers
5k views

What are the long term consequences of practicing judo?

I'm starting to think getting smashed into the ground on a regular basis might not be too good for the body.
2
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1answer
347 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 practicing this martial art ( I'm especially worried about my nose, my nasal ...
5
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4answers
246 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)...
5
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2answers
246 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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3answers
262 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?
2
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1answer
106 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?
2
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1answer
184 views

Why do we train martial arts? [closed]

I've been doing some serious thinking on WHY i am doing martial arts. 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 ...
3
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1answer
64 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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3answers
673 views

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" part eludes me. What ...
3
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2answers
238 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 ...
4
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2answers
324 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 ...
4
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3answers
418 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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3answers
2k 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 ...
9
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3answers
341 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 ...
6
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3answers
479 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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2answers
207 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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1answer
317 views

Judo za-rei difference between man and woman

I have read this page about reishiki and I have a question about the za-rei. kneeling bow at the beginning or end of the class. There is also a description on this dutch website. http://home.pi.be/~...
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2answers
754 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. http://en.wikipedia.org/wiki/Theodore_Roosevelt I know that in standard ranking systems, a third-degree ...
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4answers
4k views

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

Now, I'm fairly well acquainted with the history, concepts, goals, and methodology of judo and BJJ, on paper I mean. I realize that BJJ evolved from judo, and that both involve takedowns/throws and ...