Table of Contents
Anatomy Research International
Volume 2015, Article ID 786508, 6 pages
Research Article

Distal Insertional Footprint of the Brachialis Muscle: 3D Morphometric Study

Elbow Shoulder Research Centre, University of Kentucky Department of Orthopaedic Surgery and Sports Medicine, Kentucky Clinic, 740 South Limestone, Lexington, KY 40536-0284, USA

Received 24 May 2015; Revised 9 September 2015; Accepted 12 October 2015

Academic Editor: Levent Sarikcioglu

Copyright © 2015 Srinath Kamineni et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Objective. The purpose of this study is to describe the three-dimensional morphometry of the brachialis muscle at its distal attachment to the ulna. Methods. Fifty cadaveric elbows were dissected and the brachialis distal insertion was isolated on the ulna bone and probed with a three-dimensional digitizer, to create a three-dimensional model of the footprint. Measurements and analysis of each footprint shape were recorded and compared based on gender and size. Results. There was significant gender difference in the surface length () and projected length () of the brachialis footprint. The shapes of the footprint also differed among the specimens. Conclusion. The shape of the brachialis muscle insertion differed among all the specimens without significant variation in gender or sides. There was also a significant difference in muscle length between males and females with little difference in the width and surface area. Significance. The information obtained from this study is important for kinematic understanding and surgical procedures around the elbow joint as well as the understanding of the natural age related anatomy of the brachialis footprint morphology.