Ive got a herniated disk LS in my lower back. 암바나 레그바처럼 사람들이 나를 쌓아 올리는 동작을 하면 부상이 악화된다는 사실을 알게 되었습니다. I think its because when they try to stack you, you tighten up the muscles in your lower back to push them away.