Rough Surfaces
Arthritic joints make sounds caused by the loss of smooth cartilage and the roughness of the joint surface.
Is Joint Cracking Harmful?
If you are feeling pain when your joints pop, then you should visit your healthcare professional. In terms of knuckle cracking, some studies show that it does not cause serious harm, while other studies show that repetitive knuckle cracking can do some damage to the soft tissue of the joint. It may also lead to a weak grip and a swelling hand.