can mean more than just weaker lifts. One study published found that subjects who trained their glutes reduced the feeling of back pain and increased lumbar stability. As for the best move to hit your butt, you can’t do much better than the barbell hip bridge. It allows you to load your glutes directly, but making any of the minor mistakes listed below can lead to not-so-minor injuries. Read up to ensure you don’t make an ass out of yourself.