skribs101
Grandmaster
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I think it's somewhat common in BJJ to identify the types of techniques that tend to lead to injuries and slowly whittle those out of the competition rules, either by belt or entirely. For example, most leg attacks are only allowed at brown/black belt, kids can't pull the head on a triangle choke, you need to wait until blue belt to jump guard, etc.
Additionally, in some gyms, I know jumping guard and flying techniques in general are banned. In my gym, you're not allowed to take people down backwards from a rear body lock, because we've had a few people blow out their knees as a result of those throws.
But there's one technique I personally see a lot of injuries from: the hitchhiker escape from armbar. It's happened to me. I've done it to people. I've seen it with adults and when coaching the kids class. When trying to find the hitchhiker escape, the arm gets at just the right angle to act as an Americana and strain the muscles or tendons around the tricep/delt.
I personally don't like this escape. I feel it's already a low-percentage escape, and I feel you're more likely to get injured trying this escape than you are to get out of the armbar. Maybe this is a case of "get gud, bro", but that almost makes it worse if it's injuring the people while they're trying to learn it.
Additionally, in some gyms, I know jumping guard and flying techniques in general are banned. In my gym, you're not allowed to take people down backwards from a rear body lock, because we've had a few people blow out their knees as a result of those throws.
But there's one technique I personally see a lot of injuries from: the hitchhiker escape from armbar. It's happened to me. I've done it to people. I've seen it with adults and when coaching the kids class. When trying to find the hitchhiker escape, the arm gets at just the right angle to act as an Americana and strain the muscles or tendons around the tricep/delt.
I personally don't like this escape. I feel it's already a low-percentage escape, and I feel you're more likely to get injured trying this escape than you are to get out of the armbar. Maybe this is a case of "get gud, bro", but that almost makes it worse if it's injuring the people while they're trying to learn it.