Secondary Logo

Journal Logo

Institutional members access full text with Ovid®

Accessory Palmaris Longus

A Concise Anatomic Review With a Relevant Case Study

Yuan, Jing MBBS; Dhanaraj, Ian Dominic MBBS, MRCS; Ng, Hannah Jia Hui MBBS; Rajaratnam, Vaikunthan MBBS, FRCS, FICS, MBA

doi: 10.1097/SAP.0000000000001832
Hand Surgery: PDF Only

Current medical literature has described many variations of the palmaris longus. One variation that is rarely seen is that of the accessory palmaris longus, which is better known in literature as the “palmaris profundus.” This brief review will describe the anatomy and the developmental origins of the palmaris longus, as well as the clinical relevance of an accessory palmaris longus. We will also present a case on the accessory palmaris longus and discuss whether the accessory palmaris longus, if encountered during a routine carpal tunnel surgery, should be resected intraoperatively.

From the Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore.

Received August 18, 2018, and accepted for publication, after revision December 16, 2018.

Conflicts of interest and sources of funding: none declared.

Reprints: Jing Yuan, MBBS, Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, 90 Yishun Central, Singapore 768828. E-mail:

Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.