Your ulnar nerve runs all the way from your shoulder to your little finger. The ulnar nerve manages the muscles that allow you to make fine movements with your fingers. It also controls some of the ...

Ulnar deviation, or ulnar drift, occurs when the joints in the wrist and hand shift so the fingers bend toward the ulna bone on the outside of the forearm. It can result from problems in the wrist or ...

Ulnar tunnel syndrome occurs when the ulnar nerve in the wrist becomes compressed by a cyst or repeated strain. Treatment typically involves physical therapy and surgery. The nerve compression in ...

Ulnar nerve entrapment happens when there’s pressure on the ulnar nerve. The ulnar nerve travels from the shoulder to the pinky finger. It can cause symptoms like muscle weakness and numbness. The ...