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As a former LAPD police man who went through academy training in the early 70s, I can give testimony about the bar arm control hold and its effects, on other police cadets and myself as well. We were taught to know what to do when gaining consciousness, how to identify by hearing, where our main threat was (man with a gun) and how to proceed. Naturally in ...

After getting my nose broken I had perpetual nose bleeds for about a month, I usually had about one each day that would just spring up randomly. My brother was training to be a paramedic at the time, so he knew how to deal with it and taught me. Presumably as it was from his paramedic training, it's well researched. 1: Look down, not up. You don't want the ...

The distinction between "blood choke" and "air choke" does not make sense from a medical point of view, especially when unconsciousness is involved. Any form of unconsciousness is perilous (in a sense of "possibly lethal"). You are entirely right about feeling scared, unconsciousness is scary. The body loses its adverse-effects reflexes, which can easily ...

The founder of judo, Jigoro Kano, recognized this trade-off between "deadly" or severely damaging techniques and our ability to practice these techniques to a useful degree. The situation has improved with technology. Today we have good goggles, MMA and boxing gloves, and steel cups, so if we want to train out ball punches, nukites to the eye, striking, ...

Just a heads up for those thinking of buying German made mats. I purchased 50 of the highest quality judo mats from Regupol 6 years ago (as I understand it they are the biggest manufacturer of mats in Germany). Model was E215 40 mm thick Tatami vinyl finish mats. They come with a five year warranty. Two months ago we pulled up the mats to clean the floor ...

There is no certification for Judo mats, which sucks because I've seen people advertising 1" puzzle mats as judo mats where someone can get their back broken on. Judo around the world is competed on 1.5" or 40mm mats. You want to make sure you buy a quality mat. Its all about quality because not all foam is the same density - stay away from EVA foam its ...

I think chokes are some of the safest submissions in BJJ/Submission grappling and thus it's okay to train them as often as you want. I think the main factor in terms of danger is making sure you're training with someone you trust. Anything in martial arts can potentially be dangerous if your training partner has the wrong mindset.

I recently found an article by Wendy Gunther Sensei, which asserts that during a controlled study there was no long term damage from chokes. Short term interruptions in blood flow, transient EEG anomalies but in each case the recipient of the choke returned to full functionality quickly. The referenced article does mention some more serious consequences ...