In the forearm, this continuation of the musculocutaneous nerve is purely sensory and innervates the skin over the lateral (radial) side of the forearm.

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Intercostobrachial nerve | Radial nerve | Medial cutaneous nerve of forearm and arm |
Lateral cutaneous nerve of the forearm (Musculocutaneous Nerve) |
Palmer cutaneous branch of radial nerve |
Median Nerve | Ulnar nerve | Nerve Distribution | Help | Hand Kinesiology

Lorie Richards and Janice Loudon, University of Kansas Medical Center, School of Allied Health,
Occupational and Physical Therapy Education, October 1997