Variant Insertion of Deltoid MuscleCorrespondence Address :
Dr. Lydia S Quadros,
Lecturer, Department of Anatomy, Centre for Basic Sciences, Kasturba Medical College, Manipal Academy of Higher Education,
Madhav Nagar, Manipal-576104, Karnataka, India.
During the routine dissection for the undergraduate medical students a unilateral variation was seen in the insertion of deltoid muscle in the left arm. The muscle took origin as usual. The most anterior clavicular fibers inserted in the form of a long tendon into the medial epicondyle of the humerus. The tendon crossed the neurovascular structures of the arm. This type of variation may compress upon the neurovascular structures leading to lack of blood supply and neurological compromise of the distal parts of the upper limb.
Median nerve, Medial epicondyle, Neurovascular, Tendon
Lydia S Quadros, Antony Sylvan D’souza. VARIANT INSERTION OF DELTOID MUSCLE. Journal of Clinical and Diagnostic Research [serial online] 2018 July [cited: 2018 Sep 25 ]; 12:AD01-AD02. Available from
Date of Submission: Jan 18, 2015
Date of Peer Review: Apr 24, 2015
Date of Acceptance: Jan 14, 2017
Date of Publishing: Jul 01, 2018
FINANCIAL OR OTHER COMPETING INTERESTS: None.
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