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Child belt demotion for forgetting kata

My 9 year old grandson has a brown belt for around 7 months now. Usually he goes to regular class where all the color belts are put into their own groups. He hasn’t practiced some of the earlier katas as the chance doesn’t present itself often the…
Lilli Mapes
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What is Uki-gatame?

In 2017 the Kodokan recognised 3 new osaekomi-waza classifications: Osaekomi-waza Notes ura-gatame Historically has referred to multiple pins, but in modern use refers to a hold with tori's back to uke and control of the near arm and…
brazofuerte
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How to beat a Kickboxer with a Bruce-Lee-type stance and a Taekwondo/Karate background?

Edit 2: More information in the linked video: How To Beat Karate/Taekwondo Fighters Basically, keep your hands up to block the hook kick and the spinning side kick. And don't focus on catching the side kicks, instead take them and then counter with…
RoundHouse
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Is weight class related to injury risk in combat sports like MMA or boxing?

I have a hypothesis that damage resistance (ability to handle destructive impact without damage) is not related to the ability to deliver destructive damage (as a function of body mass) in ratio 1:1 (i.e. your capability to deliver damage is not…
matousc
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Is there a publicly available syllabus of the Chuck Norris System (formerly Chun Kuk Do)?

I'm particularly interested in which forms (hyung?) are taught, and for which ranks they are required. I've clicked through most (but not all) of the schools listed on the UFAF page. Half of the links are dead, the other half are just full of poor…
John O
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Did Jujutsu invent the Heimlich Manoeuvre? If so, when?

I have seen a couple of texts referring to what appears to be the Heimlich Manoeuvre among the methods of resuscitation* taught in some schools of jujutsu (and consequently, judo). What is surprising is that these descriptions are from over 80 years…
brazofuerte
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How to thoroughly clean synthetic boxing gloves?

I keep my boxing gloves (Ringside Apex, some sort of synthetic material) in a wicker basket near my training equipment at the house. Long story short, my cat used the basket instead of her litter box and peed on the gloves. I searched around and…
Soulis
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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 martial artist in Japan had some form of jujitsu…
Logikal
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Are Hammerlocks legal in judo?

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 hammerlock or chickenwing). In fact, all variants it…
brazofuerte
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Is the crucifix a valid osaekomi-waza?

The IJF in 2013 (and the Kodokan in 2017) recognised two new pins as valid osaekomi-waza in competition: uki-gatame, and ura-gatame. I have seen the term ura-gatame refer to two distinct positions: 1. ushiro-kesa-gatame style pins controlling…
brazofuerte
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Chess Boxing - Wondering how I would do / how I'd get into it

Ok I tried to find the 'chess boxing' subforum here and one doesn't exist, but I'm not surprised it's not by any means mainstream. Hopefully there's someone here that is knowledgeable and I'd appreciate it if you could answer this even…
muaythai201
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Are arm-triangle chokes legal 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, mechanically similar to sankaku-jime, but…
brazofuerte
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Is semen retention an important thing in martial arts?

I'm in my 29s now. In a few months, I am going to marry. I have recently joined a martial arts course (Kalari) in my village. Actually, I am a bit lazy to exercise and now I am in under the weight. So I think I can improve my physical fitness in a…
Ragesh Puthiyedath Raju
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Why were leg-locks removed from Judo?

Early judo contained (in addition to strangles and arm-locks) various types of leg-lock. At some point in the early 20th century all leg-locks were banned in both randori and competition, and removed from the kodokan's syllabus (with the sole…
brazofuerte
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Is 'pressure point' striking a useful skill to know in a street fight?

And if so how far into human anatomy should you go? I know obviously aim for the jaw or back of the ear, and know certain spots on the body like the liver and solar plexus for winding the person. Does it get much deeper than this? In terms of the…
muaythai201
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