34 votes

What are the main uses of aikido in self-defense?

What you're really asking for is insight into the strengths and weaknesses of Aikido pertaining to self-defense scenarios. Aikido uses a small number of throws, joint locks, submissions, and strikes. ...
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21 votes

What is the strategic difference between Krav Maga and Systema?

At first glance Krav Maga and Systema seem to be very similar in that they are both very unconventional, no-rules, practical self-defence, martial arts (although Krav isn't technically a martial art) ...
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  • 449
15 votes
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Could Non Newtonian fluids make better judo mats?

There are non-Newtonian fluids that get harder when stressed (like cornflour and water), and there are others that get softer when stressed (like tomato ketchup, that acts solid until you apply stress ...
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9 votes
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Scientific evidence that punches to the head is harmful in boxing? (Even with protective gear)

Yes, there is scientific evidence that boxing is harmful to the head - Amateur/Olympic boxers show cerebrospinal fluid changes indicative of neural injury Neurochemical aftermath of boxing (Note - ...
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  • 4,549
8 votes
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What kind of glove is being shown in the following pictures, and why is it nearly always a knife user who wear this style of gloves?

What is shown is a vambrace, or possibly a bracer repurposed to be more armor. A vambrace is a tube of armor, anything from metal to leather, used to protect the forearm. A bracer is intended only to ...
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7 votes
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How to avoid knee injury?

I train in Taekwondo and had a similar problem with my knees (though after a few years of training). At the time, my doctor diagnosed "chondromalacia patella", which he said was caused by an ...
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  • 1,557
7 votes

Should I wear a groin protector?

I would rate this a matter of personal choice. Getting hit in the groin is intensely painful, no matter what you have between your legs. Men have it a bit worse, due to the external bits having a ...
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7 votes

Could Non Newtonian fluids make better judo mats?

Those of you who aren't familiar with the concept of Non-Newtonian Fluids, the thing to realize is that they are fluid or solid depending on the stress exerted on them. If you fill a swimming pool ...
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6 votes
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Are mouth guard the same for all sports?

No they are not. The mouth guards are designed to protect against different kinds of impact most common to sports. You have the top only mouth guard which is meant to be something between your teeth ...
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  • 1,120
6 votes
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Brazilian Jiu Jitsu mat size and material for casual 1v1?

For mat size, I am listing the official competition mat sizes as a reference to help you assess the difference between practicing throws and takedowns and practicing ground techniques: keep in mind ...
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5 votes
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Mouthguard for sparring with extra special gag reflex

Assuming that you cannot train yourself out of the Ridiculous Gag Reflex [patent pending]1, you could get a dentist to make your a custom made mouth guard. It might well be expensive but probably ...
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5 votes

Gloves for longsword sparring

This is a cost analysis (kinda) answer1. What would being injured cost you? Do you have medical insurance/free health care? Would a broken hand/finger(s) mean you would be effectively unable to ...
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5 votes

What are the main uses of aikido in self-defense?

I think a lot of people take Aikido out of context. Aikido is constantly belittled for the "here grab my wrist" thing, which is admittedly ubiquitous, but it is not the style to blame - it's the ...
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  • 3,886
5 votes

Scientific evidence that punches to the head is harmful in boxing? (Even with protective gear)

I'm curious as to how you didn't manage to find studies. I did a standard Google search and came up with reputable organizations dedicated to the study and treatment of Chronic Traumatic ...
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  • 3,886
5 votes
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Should I wear a groin protector?

When it comes to Taekwondo, as a female, wearing a groin protector is more annoying than being kicked in the private parts. The groin protector scrapes the sides of your legs and more often than not ...
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  • 432
5 votes
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Are EVA foam mats good for training?

I have a little experience with these mats. Specifically, I've trained at places that use them. Here is what I can gather: Pros They are easily transportable They can be disassembled and reassembled ...
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  • 1,503
5 votes

Should I wear a cup for sparring?

Absolutely. There's no reason not to; I've never had it interfere with kicking. I suppose some brands could be disagreeable to your particular anatomy, e.g., I had one once which was too "shallow&...
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4 votes

What are the main uses of aikido in self-defense?

Below is a link pertaining to a 3 month white belt who used Kotagaeshi to defend himself. It goes with the adage that self defence is 80% confidence. Basically a lot of things will work from a lot of ...
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  • 41
4 votes

Stacking mats so they slide less

In judo contests I have seen square steel tubing holding the mats together. Rigid, 5cm x 5cm steel tubes going around the tatami, tightened together by several tie-down-straps (ratchet strap is the ...
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  • 263
4 votes
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Light or heavy gloves for friendly boxing match?

The weight of the glove is an indication of the amount of padding there to gradually decelerate your fist and transfer the impact energy gradually into whatever you hit. Extra padding takes longer to ...
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  • 4,210
4 votes
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How to wash leather shin guard?

Like with all leather items, you just wash them by hand with dish soap and water. Don't immerse them in water, just use a washcloth. Then wipe them dry and hang them out to dry. If they're still ...
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4 votes

How to protect knees on jump kick techniques

I'm over 40 and train in taekwondo; I've never been advised not to do jumps or jumping kicks! I train with a gentleman who doesn't jump (for patterns or sparring), but he is nearly 80 and has ...
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  • 1,557
4 votes
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When were modern mats introduced into Judo, and did it change the way the art could be taught?

Judo has always used mats. In Judo Memoirs of Jigoro Kano, Kano (the founder of judo), measured practice spaces by the number of tatami mats. The warehouse afforded a practice area of only ten tamami ...
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  • 13.7k
4 votes

Can you make a home dojo with tatami by yourself?

Costs for materials vary wildly from one place to another, as well as depending on the size you want, so I'll mostly give you options for construction and you can check on local availability and costs ...
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  • 2,247
4 votes
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Kick-to-elbow injuries are very common in our school

Yes, it can be super painful when your opponent blocks your kick with his elbow. It can happen deliberately or accidentally. To me, it doesn't matter which, because the problem is solved the same way ...
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3 votes

Light or heavy gloves for friendly boxing match?

Gloves protect your hands, not your head. It is actually safer to use lighter gloves, from the perspective of brain trauma. Research suggests greater brain trauma is suffered from boxers (8-14oz ...
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  • 1,756
3 votes

Mouthguard for sparring with extra special gag reflex

Another thing you can do if you have a small mouth is to go the children/teen area of a large box sporting good store. They will have quite a few different sized mouthguards in various configurations ...
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  • 4,549
3 votes

Did Samurai armour have flexible joints?

Samurai is a rather large class ranging from foot solders to the Shogun. All wore different armours. Your question spans around a thousand years of history. So, generally speaking… A few armours have ...
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3 votes

Stacking mats so they slide less

Zebra mats has suggested layouts for 2m x 1m mats depending on the area you want to cover. It sounds like you are repeating layout A to cover your area. The problem with this is that when any mat is ...
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  • 13.7k
3 votes

What are the main uses of aikido in self-defense?

Most of the techniques in aikido are based on creating an opening for you to manipulate/control your opponent through the use of leverage and/or pain. In order to do that you are going to have to ...
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  • 281

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