There is an old joke where a man walks into his doctor’s office and says, “Doc, it hurts every time I do this. What should I do? To which the doctor replies, “Simple, don’t do that!” While the advice seems trite and maybe even insulting, like most jokes, there is some truth in it. Pain is one of the ways your body tries to protect you from even worse injury. Pain tries to keep you from walking on a sprained ankle or lifting things with a broken arm. In those cases, the advice from the doctor is accurate.

We cast broken bones to immobilize them and use splints or slings to rest muscle strains o...