Vol - 28, Issue - 10
About the Journal
[This article belongs to Volume - 28, Issue - 10]
International Medical Journal
Journal ID : IMJ-08-11-2021-1047
Total View : 435

Abstract : Bilateral variations were observed in the triceps brachii muscle in a human cadaver. This novel variation demonstrated, few fibers of the lateral head of triceps arising from the long head of triceps in the form of a thick aponeurosis. This arrangement was observed in both, right and left upper limbs of the cadaver. Additionally, we found the presence of an anomalous thick muscle belly, deep to the long head of triceps muscle. This muscle passed directly over the neurovascular bundle at the radial groove. Additionally, this muscle belly gave origin to three fleshy slips. One of the slips joined the medial head, one joined the lateral head, and the most prominent slip joined the long head of the triceps muscle. The close proximity between the anomalous muscle and the neurovascular structures is clinically significant as it might cause radial nerve palsy and arterial compression. Hence, knowledge regarding such unusual anatomical variations of triceps muscles are of utmost importance in the conduct of arthroscopic surgeries around the shoulder and in symptoms related to nerve compression syndrome.

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