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A Biomechanical Study of the Ulnar Nerve at the ElbowFrom the Departments of Orthopaedics and Plastic Surgery, Cliniques Universitaires de Bruxelles, Hôpital Erasme, Brussels, Belgium Correspondence: F. Schuind, MD, PhD, Department of Orthopaedics, Cliniques Universitaires de Bruxelles, Hôpital Erasme, 808 Route de Lennik, 1070 Brussels, Belgium. The relative elongation with elbow flexion of the ulnar nerve, proximal and distal to the cubital tunnel, and of the cubital tunnel retinaculum, was measured in cadaver specimens by stereophotogrammetry. The proximal part of the ulnar nerve elongated significantly with full elbow flexion. No significant change of length was measured in the distal part of the nerve. The length of the cubital tunnel retinaculum increased by an average of 45% from full elbow extension to full flexion.
Journal of Hand Surgery (British and European Volume), Vol. 20, No. 5,
623-627 (1995) |
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