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Effect of the Steindler Procedure on the Median Nerve Branches to the Medial Epicondylar MusclesFrom the Department of Orthopaedics B, R. Salengro Hospital, Lille CHRU, France Correspondence: C. Chantelot MD, Department of Orthopaedics B, R. Salengro Hospital, Lille CHRU, F-59037 Lille Cedex, France, E-mail: h-migaud{at}chru-lille.fr Usually the median nerve gives off six branches to the muscles arising from the medial epicondyle, which could be tightened during Steindlers procedure. We studied these branches before and after Steindlers procedure in 20 fresh cadavers and observed a considerable variation in the origin of the branches. The muscular branches arising from the median nerve did not seem to limit the mobilization of the medial epicondyle when performing Steindlers transfer. The limitation of the flexion observed after Steindlers procedure was mainly related to the tension of the transferred forearm flexor muscles. The variability of the origin of the branch to the flexor digitorum superficialis muscle could explain a lesion of this branch when Steindlers procedure is carried out with Brunellis modification. The lateral transfer and the anterior transfer on to the humeral shaft did not influence the limitation of elbow flexion or result in tightness in any nerve branch to the transferred muscles.
Journal of Hand Surgery (British and European Volume), Vol. 25, No. 3,
276-280 (2000) |
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