Classification
The ulnar nerve passes through many tunnels and outlets which could cause the nerve to be compressed or "pinched". Entrapments are classified according to the location of the compressed. Some causes or origins noted could be:
- Problems originating at the neck (thoracic outlet syndrome, disease of the cervical spine)
- Brachial plexus abnormalities
- Elbow abnormalities (fractures, growth plate injuries, cubital tunnel problems)
- Wrist abnormalities (fractures, Guyon canal problems)
- Artery aneurysms or thrombosis
- Infections, tumors, diabetes, hypothyroidism, rheumatism, and alcoholism
Read more about this topic: Ulnar Nerve Entrapment