Your knuckles are strong bones in your hand that give your fingers the ability to move. But they’re also capable of being broken or bruised. In milder cases, a bruised knuckle can take days to heal.

Cracking your knuckles might feel satisfying, but it often earns disapproving looks or even dire warnings. For decades, people have believed that this seemingly harmless habit could lead to arthritis ...

There hasn’t been a lot of research on the effects of knuckle cracking, but the limited evidence shows it doesn’t harm your joints. One review in the Swiss Medical Journal found no evidence in any of ...

A broken knuckle occurs when there is a break, or fracture in the long bones of the palm, which doctors call the metacarpals. Five metacarpals are present in the palm. A break in the “neck,” or the ...