Ulnar neuropathy: anatomy
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Ulnar neuropathy: anatomy. The ulnar nerve is formed from the C8 and T1 spinal nerve roots. Fully referenced neurology checklist.
Ulnar nerve anatomy
- The ulnar nerve is formed from the C8 and T1 spinal nerve roots
- It arises from the medial cord of the brachial plexus
- It passes between the triceps and brachialis muscles in the arm
- It traverses the cubital tunnel at elbow
- It then passes between the two heads of flexor carpi ulnaris in the forearm
- It terminally divides into deep motor and superficial sensory branches in the distal forearm
Muscles innervated by the ulnar nerve
Locked: subscribe to see this section.
Sites of ulnar nerve entrapment at the elbow
Locked: subscribe to see this section.
References
- Trehan SK, Parziale JR, Akelman E. Cubital tunnel syndrome: diagnosis and management. Med Health R I 2012; 95:349-352.
- Cutts S. Cubital tunnel syndrome Postgrad Med J 2007; 83:28-31.
- Wojewnik B, Bindra R. Cubital tunnel syndrome - Review of current literature on causes, diagnosis and treatment. J Hand Microsurg 2009; 1:76-81.
