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19 votes

Does a knockout punch always carry the risk of killing the receiver?

However, if, as she claims, one cannot attempt to land a knockout punch without a significant risk of the receiver's death, then what about boxing, MMA and other such sport competitions? If what she ...
mattm's user avatar
  • 14.4k
11 votes

Is it necessary to practice falling on concrete to help prepare for a real life situation and build up endurance?

Practicing on a mat is not sufficient. If you do not progress to harder materials you will not have the feedback benefit harder surfaces provide. You might think you're doing well because it's (...
Dave Newton's user avatar
  • 1,365
11 votes

Does a knockout punch always carry the risk of killing the receiver?

It is technically correct that any knockout punch carries with it the risk of killing the target. Rendering someone unconscious essentially involves disrupting the brain, whether it is by rattling the ...
Macaco Branco's user avatar
10 votes
Accepted

Is it necessary to practice falling on concrete to help prepare for a real life situation and build up endurance?

No, falling on concrete is not necessary, provided you train with mats as a safety mechanism and you do not rely on mats to protect you from unrealistic techniques. Use mats for extra safety for ...
mattm's user avatar
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8 votes
Accepted

Harassment by another student

I'm sure with your jujitsu you've seen enough of how a dojo should be to judge when someone's acting improperly, though from the little you've detailed it's not clear whether he's potentially just ...
Tony D's user avatar
  • 4,150
8 votes
Accepted

Why were leg-locks removed from Judo?

Leg-locks were banned shortly after an 1899 exhibition match in Kyoto (held before Emperor Taishō) between Kodokan 3rd dan Yuji Hirooka and Fusen-ryū master Mataemon Tanabe. During the match Tanabe ...
brazofuerte's user avatar
  • 8,212
6 votes

Harassment by another student

Your instructor should have noticed this and be taking steps to mitigate his aggression and lack of respect. Respect is a cornerstone of the martial arts. Not everyone has it and not everyone learns ...
slugster's user avatar
  • 7,872
6 votes
Accepted

How dangerous was ancient Pankration?

The only confirmed death is Arrhichion of Phigalia who died whilst winning his 3rd championship. It is difficult to ascertain directly the number of deaths as the historical record simply doesn't (as ...
Rob O'Neill's user avatar
6 votes

Alternatives to posting with your arms while grappling

The two alternatives to posting with your arms are to execute the appropriate break-fall (as in orthodox judo/jujutsu ukemi) or to execute the appropriate turnout (as in modern unorthodox competitive ...
Dave Liepmann's user avatar
6 votes

Are throat strikes much more dangerous than other acts of violence (that are legal in say MMA/UFC)?

Deliberate strikes to the front of the throat can result in a collapsed trachea, the inability to breathe, and in some cases death because of that. It requires emergency surgery to fix. So for that ...
Steve Weigand's user avatar
5 votes

Fighters checking newer fighters?

Is this the logo of your club? ☺ On a more serious note, what you are describing is called bullying which is a form of abuse. Bullying should not be tolerated in any context whatsoever. So, what can ...
Sardathrion - against SE abuse's user avatar
5 votes
Accepted

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 ...
LemmyX's user avatar
  • 1,553
5 votes

Is it necessary to practice falling on concrete to help prepare for a real life situation and build up endurance?

In my experience, doing simple Ukemi over hard surfaces provides important feedback about any problems with your technique. You will boldly notice if your head, shoulder, arm, elbow, hip, knees, or ...
Apalala's user avatar
  • 207
5 votes
Accepted

Alternatives to posting with your arms while grappling

When both legs are trapped, there are two relatively safe breakfall options left: onto the side of your body, if you can twist your upper body 90 degrees, or forwards. Forward breakfall (Mae ukemi): ...
Philip Klöcking's user avatar
5 votes
Accepted

How can I find a good instructor for my martial art to take less time to learn?

Finding a great instructor is, indeed, the quickest route to proficiency. That can't be emphasized enough. In martial arts, there's no shortage of instructors. But they can't all be good, can they? ...
Steve Weigand's user avatar
4 votes

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

As a former 'offender' myself I hope I can offer some insight. TL;DR: do not allow them to do randori until they do at least several thousand throws. Let them build up confidence in falling first. ...
Sanyifejű's user avatar
4 votes
Accepted

Safe Sparring Spear

Home-made: I have utilized a wooden staff and put a layer or two of pipe foam on the end. It's relatively cheap and provides padding to blunt hits so long as you don't jab it really hard. I utilized ...
mutt's user avatar
  • 1,110
4 votes

Relatively safe standing throw/grapple/manipulation techniques?

Normally questions asking for lists of techniques should get closed as being too broad, but the answer for this question does not require a list; you have already identified huge sources of "...
mattm's user avatar
  • 14.4k
4 votes
Accepted

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 ...
Tony D's user avatar
  • 4,150
4 votes

Harassment by another student

I agree with everything that's been said so far. However, I'd also like to give my own two cents on this issue as a female taekwondo practitioner who has (unfortunately) been in similar situations. ...
as4s4hetic's user avatar
4 votes

Harassment by another student

Concur with the other answers; it is worth repeating that I don't think this situation is acceptable. I also want to agree that your instructor has failed you already - the instructor should have ...
MCW's user avatar
  • 3,291
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 ...
Mike P's user avatar
  • 1,565
4 votes

Is it necessary to practice falling on concrete to help prepare for a real life situation and build up endurance?

Training on firm mats is probably sufficient for learning how to take a fall. There's a slight risk of picking up bad habits, not removing small inefficiencies in the fall (I know that I used to be ...
Macaco Branco's user avatar
4 votes
Accepted

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 ...
mattm's user avatar
  • 14.4k
4 votes

Types of neck throws?

Contact sports involve risk of injury. This is more true for people who are weak. This is more true for grappling combat sports, where the explicit goal is to move the other person in a way they don't ...
Dave Liepmann's user avatar
4 votes
Accepted

When a fighter becomes unconscious in competition, what usually happens to them before they are medically clear to train and fight again?

Any sanctioned event will have event medical staff on hand to revive competitors immediately if they do not regain consciousness on their own. Medical staff may recommend hospital treatment. There are ...
mattm's user avatar
  • 14.4k
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 ...
Dungarth's user avatar
  • 2,225
4 votes

Is it safe to teach kids submissions / locks?

The main federation in Brazilian Jiu-Jitsu has these rules for completion. There are no rules about when you can teach or not your kids. These are competition rules only and I use it as a guide to my ...
AFetter's user avatar
  • 1,264
4 votes
Accepted

What should I do about a bully at work?

This is a work environment apparently, not a school bullying situation. That's rare. Typically work bullying isn't physical in nature, but this one is. There's also a non-physical / verbal aspect to ...
Steve Weigand's user avatar
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 ...
coinbird's user avatar
  • 1,801

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