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International Journal of Anatomical Variations

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Hetal K. FICHADIA1, Joel SOLOMON1 and Peter H. U. LEE2*
1 Department of Surgery, Division of Plastic & Reconstructive Surgery, Oregon Health & Science University, Portland, USA, Email: hfichadia@orclinic.com
2 Department of Surgery, Division of Cardiac Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA, Email: peter.lee@osumc.edu
*Correspondence: Peter H. U. LEE, MD, PhD, MPH, Assistant Professor, Division of Cardiac Surgery, Department of Surgery, The Ohio State University, Wexner Medical Center, N-817A Doan Hall 410, West 10th Avenue Columbus, OH 43210, USA, Email: peter.lee@osumc.edu

Received: 06-Feb-2014 Accepted Date: Jun 16, 2014; Published: 26-Feb-2015

This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (http://creativecommons.org/licenses/by-nc/4.0/), which permits reuse, distribution and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes. For commercial reuse, contact reprints@pulsus.com


The palmaris longus muscle is one of the most variable muscles in the human body. We describe an unusual duplication of this muscle that was found in a female cadaver in the course of a medical school anatomy dissection. The typical palmaris longus, which originates from the medial epicondyle of the humerus and inserts on the palmar apnoneurosis, was replaced by a main muscle that passed deep to the flexor retinaculum, and inserted onto the head of the second metacarpal and an accessory muscle that originated from the distal radius and inserted into the palmar aponeurosis. This variant of the muscle was found bilaterally. An understanding of the variations in the palmaris longus muscle is important, as tendinous portions passing deep to flexor retinaculum can cause median nerve compression and the muscle is often utilized for tendon transfers.

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Citations : 2426

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