Anomalous origin of a lumbrical muscle as cause of a trigger finger.

Published online: Sep 27 1993

G A Matricali, and J Verstreken.

Department of Orthopaedic Surgery, University Hospital Antwerp, Edegem, Belgium.


We report a case of a trigger finger due to an anomalous origin of the fourth lumbrical muscle. Total excision of the involved muscle fibers gave complete relief of symptoms.