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Variations of the triceps brachii muscle are infrequent. We report a case of four headed triceps brachii muscle which originated from the posteromedial aspect of humerus just below the surgical neck. The fibers of this extra head blended with the muscle fibers of long head of triceps. The embryological and clinical significance of the variation is discussed.
International Journal of Anatomical Variations received 2140 citations as per Google Scholar report