Hitchhiker’s thumb can be present in people with diastrophic dysplasia, a condition that affects cartilage and bone ...

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?

If your thumb’s tip extends back toward your knuckle more than 50 degrees ... it can increase chances of developing joint pain, arthritis, and tendon issues with age, says Dr. Dasgupta.

If your thumb’s tip extends back toward your knuckle more than 50 degrees ... it can increase chances of developing joint pain, arthritis, and tendon issues with age, says Dr. Dasgupta. “If it’s part ...