Lateral Cutaneous Nerve of the Forearm
The lateral cutaneous nerve of the forearm is a sensory nerve originating from the musculocutaneous nerve, after the latter has given off the muscular branches. The nerve pierces the deep fascia about 2–3 cm above the elbow, passes laterally to the biceps and becomes cutaneous, supplying the anterior and posterior portions of the lateral aspect of the forearm. There is considerable variation in that the nerve may pierce the deep fascia above or below the elbow. It is at the point where the nerve pierces the fascia that entrapment may occur. Entrapment of this nerve occurs infrequently, although it is likely to be seen often in tennis players.
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References and Further Reading
- Bassett, F. H. and Nunley, J. A. (1982) Compression of the musculocutaneous nerve at the elbow, J. Bone Joint Surg. 64A (No. 7), 1050–1052.Google Scholar
- Felsenthal, G., Mondell, D. L., Reischer, M. A., and Mack, R. H. (1984) Forearm pain secondary to compression syndrome of the lateral cutaneous nerve of the forearm. Arch. Phys. Med. Rehab. 65, 139–141.Google Scholar