If you do crack your knuckles, try to be gentle. And if you have pain, get your joint checked out before popping it again. Can you pull the finger out of the joint by cracking your knuckles?

Medically reviewed by Anju Goel, MD Numbness in the fingers often results from issues involving the nerves or blood vessels ...

We have all seen movies where right before the hero starts fighting, he cracks his knuckles ... along with pain, it could be a sign of osteoarthritis. This is a type of joint problem that's ...