This guys other videos are great, he's a young kid jumped on a ton of gear who's a personal trainer
Or was, I foresee a change of career ahead.
If you're not in an NFL combine there is literally no reason to rep 225 like you're having a seizure.. I feel bad for the kid but that was just embarrassing to watch from the first rep, total injury waiting to happen with any weight
Maybe he's learned to take at least two seconds to lower, pause, then squeeze back up .... but probably not