Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Case report
Table of Contents - Year : 2018 | Month : July | Volume : 12 | Issue : 7 | Page : AD01 - AD02

Variant Insertion of Deltoid Muscle AD01-AD02

Lydia S Quadros, Antony Sylvan Dísouza

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.