Ulnar deviation is a deformity of the hand that affects people with rheumatoid arthritis (RA ... like opening a jar, twisting a doorknob, or using a zipper. Ulnar deviation is a hand condition ...

Rheumatoid arthritis (RA) can be mild ... and permanent changes in joint appearance, such as twisted fingers or thickened knuckles. Severe RA may also compress tendons, leading to carpal tunnel ...