Also known as ulnar drift, it occurs when your knuckles—called the metacarpophalangeal (MCP) joints—become swollen, causing your fingers to bend abnormally toward the ulna bone on the ...

Symptoms of ulnar artery thrombosis range from none at all to debilitating pain and ischemic changes of the fingers. It is this latter group of patients that requires prompt diagnosis and treatment.

If symptoms are mostly in the little finger and ring finger then it’s more likely that the ulnar nerve is under pressure. This can happen if your elbow is bent at night, putting pressure on the ...

The muscles in the hand that are innervated by the ulnar nerve are responsible for extension at the proximal interphalangeal joints of the ring and small fingers, abduction and adduction of all ...

The deep palmar arch, which is a continuation of the radial artery, supplies proper digital arteries to both sides of the thumb, the radial side of the index finger and the ulnar side of the ...