This is why powerlifting has gone to shit.Suits, no range of motion, countless wraps, etc. what a f joke.
this kid should sue you for destroying his spine.
Just to add, the people I train have NEVER had a training injury.
Not that you will listen to anyones criticism, but when doing box squats you should never plop down on the box like that kid. He was not tight at all. You should be squeezing your glutes and hamstrings while sitting back to the box and then explode up. All things considered though, that kid is very strong for his weight.