A patient with no active elbow flexion because of poliomyelitis-like syndrome underwent functioning free muscle transfer for elbow flexion reconstruction in which a part of the ulnar nerve was used as a donor motor nerve. Fourteen months after surgery the patient had achieved 120 degrees of active elbow flexion against gravity without functional deficit of the donor ulnar nerve. A part of the ulnar nerve can be used as an alternative donor motor nerve for reconstruction of chronic C5-C6 (or C5-7) brachial plexus injury.
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