Medically reviewed by Theresa Marko, PT, DPT, MS Ulnar nerve entrapment occurs when there is too much pressure on the ulnar nerve. This leads to hand numbness or tingling in the forearm and pinky side ...

When the elbow is constantly bent at over a 90-degree angle, the ulnar nerve can become squished and eventually damaged ... "The worst thing you could do is to ignore your symptoms and forgo treatment ...

Surgery is often required. We reviewed the presentation and diagnosis of ulnar artery thrombosis and evaluated the effectiveness of treatment by ulnar artery excision with interposition vein grafting.