Cedars-Sinai Blog

Ask a Doc: Is Knuckle Cracking Bad?

Cracking knuckles, hands, fingers, popping

"The noise of cracking or popping in our joints is actually nitrogen bubbles bursting in our synovial fluid."


What’s cracking


Were your parents right about arthritis?

If you don’t experience pain while knuckle cracking, then you’re free to indulge yourself.