How Healthcare Providers Diagnose and Treat the "Funny Bone" An ulnar nerve injury (sometimes called an ulnar nerve lesion) can cause pain and numbness in your arm. Your arm might also feel weak ...

Claw hand deformity is when the fingers bend in to look like a claw. It has several potential causes with ulnar nerve injury being the most common cause. Claw hand deformity can affect all or some ...