Does cracking your knuckles make them bigger or cause arthritis? Rheumatologist Dr. Natalie Azar reveals the risks and benefits of this common behavior.

Ulnar deviation occurs when your knuckle bones become swollen and cause your fingers to bend abnormally toward your little finger. Learn why this happens.

Rheumatoid arthritis is the most common cause of elbow arthritis. The long-term disease makes your immune system attack the lining of your joints, causing pain, swelling, and inflammation. It ...

It causes pain and swelling in the tendons on the thumb side of your wrist. ... Bony nodules may also form at the middle or end joints of your fingers. Osteoarthritis can also cause deep, ...

Knuckle pain affects one or more joints in different fingers. This article lists possible causes and suggests relief for sore, aching knuckles.