Lex Fridman, I have a question: According to Judo and BJJ teachings when you fall to ground on your back you should slam your hand on the ground and that's called "breaking the fall". Breaking the fall is supposed to make the fall more bearable. However, I have had difficulty in perceiving any benefit from the hand slamming, and I'm not convinced that breaking the fall makes any sense. I doesn't make the fall feel any different in the back. My question is that have you ever studied this topic critically? Do you believe in the technique of breaking the fall?