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Anatomy and function of the palmar aponeurosis pulley
1Division of Orthopaedics, John A. Burns School of Medicine, University of Hawaii-Manoa, Honolulu.
The Journal of Hand Surgery
|January 1, 1990
Abstract:
The transverse fibers of the palmar aponeurosis are attached by vertical septa to the underlying transverse metacarpal ligament and thus form a pulley over the flexor tendons. It is a constant and substantial retinacular structure that overlays the synovial sheath. Because of its proven function, position and breaking strength, I believe it should be considered part of the flexor tendon pulley system.