The ulnar nerve is a major nerve that runs down through your arm and into your hand. It affects functions like squeezing and grasping things. Injuries to the ulnar nerve can be painful and limiting.

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 ...

Ulnar nerve entrapment causes numbness or tingling in the hand and fingers. Treatment may include lifestyle changes, such as avoiding activities that put pressure on the elbow or wrist. Repetitive ...