Stephen J. Schueler, M.D.

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Radial Nerve Palsy Underlying Cause

The radial nerve controls movement and feeling in parts of the arm and hand. The radial nerve begins in the neck, travels down the arm, and ends in the fingers. At the elbow, the radial nerve passes through a tunnel, which is surrounded by tendons, muscles and bone.

Radial tunnel syndrome is caused by swelling or scarring of the structures that make up the radial tunnel. The tunnel becomes too small, and the sides of the tunnel place pressure against the nerve. Pressure against the nerve causes pain, numbness, tingling, and muscle weakness in the forearm and hand.

Causes of radial tunnel syndrome include:

Continue to Radial Nerve Palsy Anatomy

Last Updated: Feb 9, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Radial Nerve Palsy References
  1. Barnum M, Mastey RD, Weiss AP, Akelman E. Radial tunnel syndrome. Hand Clin. 1996 Nov;12(4):679-89. [8953288]
  2. Sarhadi NS, Korday SN, Bainbridge LC. Radial tunnel syndrome: diagnosis and management. J Hand Surg [Br]. 1998 Oct;23(5):617-9. [9821607]
  3. Sotereanos DG, Varitimidis SE, Giannakopoulos PN, Westkaemper JG. Results of surgical treatment for radial tunnel syndrome. J Hand Surg [Am]. 1999 May;24(3):566-70. [10357537]
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