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Superficial Radial Nerve
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| Superficial Radial Nerve | |
|---|---|
| Synonym | Superficial branch of the radial nerve |
| Nerve Type | Sensory nerve |
| Origin | Branch of the radial nerve, all roots are from C5-T1 of the brachial plexus. It arises under the proximal tendon of the brachioradialis in the upper to middle third of the forearm |
| Course | Through the posterior compartment of the forearm between the pronator teres and brachioradialis muscles. Heads to the anatomical snuffbox. |
| Major Branches | Medial and lateral terminal branches |
| Sensory innervation | Medial branch supplies ulnar aspect of dorsum of thumb, dorsum of index finger and middle fingers, and radial aspect of fourth fingers. Lateral branch supplies radial aspect of thumb and dorsal surface of base of thumb. |
