La Tercera Cabeza del Músculo Bíceps Braquial Perforada por el Nervio Musculocutáneo

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Ji-Hoon Jang; Jae-Ho Lee & Joo-Young Kim

Resumen

During an educational dissection, the third head of the biceps brachii muscle was found on the left side in a 63-year- old female Korean cadaver. The short and long heads showed normal morphology, and their courses were as follows: The third head was originated from the middle level of the humerus under the short head and inserted in the conjoined tendon of the long and short heads of the biceps brachii muscle. The musculocutaneous nerve penetrated the third head of the biceps brachii muscle and became the lateral cutaneous nerve of the forearm. The authors describe this novel case and discuss the clinical implications of such a variation.

KEY WORDS: Biceps brachii muscle; Musculocutaneous nerve; Third head; Variation.

Como citar este artículo

JANG, J. H.; LEE, J. H. & KIM, J. Y. The third head of the biceps brachii muscle perforated by the musculocutaneous nerve. Int. J. Morphol., 37(4):1226-1228, 2019.