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  • Title: The ulnar nerve at the elbow and its local branching: an anatomic study.
    Author: Gonzalez MH, Lotfi P, Bendre A, Mandelbroyt Y, Lieska N.
    Journal: J Hand Surg Br; 2001 Apr; 26(2):142-4. PubMed ID: 11281666.
    Abstract:
    Thirty nine cadaver elbows were dissected and the branching of the ulnar nerve, as well as the cubital tunnel and adjacent potential sites of nerve compression were studied. An arcade of Struthers was present in 26 specimens and Osborne's ligament was present in all specimens. A discrete flexor pronator aponeurosis overlying the ulnar nerve was present in 17 specimens. An average of one (range, 0-3) capsular nerve branches were noted. These originated an average 7 mm proximal (range, 45 mm proximal to 24 mm distal) to the medial epicondyle. An average of three (range, 1-6) motor branches to the flexor carpi ulnaris muscle were noted, and one of these originated proximal to the medial epicondyle in two specimens. Significant variation was noted in the capsular and motor branching of the ulnar nerve. Care must be taken to identify the motor branches of the ulnar nerve when performing a transposition.
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