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Revista chilena de anatomía

versión impresa ISSN 0716-9868

Resumen

RINCON, Fred et al. THE ANATOMIC CHARACTERISTICS OF THE THIRD HEAD OF BICEPS BRANCHII MUSCLE IN A COLOMBIAN POPULATION. Rev. chil. anat. [online]. 2002, vol.20, n.2, pp. 197-200. ISSN 0716-9868.  http://dx.doi.org/10.4067/S0716-98682002000200014.

SUMMARY: We report the appearance of variations of the biceps brachii muscle and describe their anatomic characteristics in our population. A prospective evaluation was conducted on cadavers at the morgue of the "Nueva Granada" Military University (UMNG) - School of Medicine in Santafe de Bogota, Colombia. Thirty-two arms of 16 cadavers were included. Anatomic description was achieved by measurements of length, width, thickness, insertions, relations, innervating branches and blood supply. A third head for the biceps brachii muscle was found in 6 arms (37.5%, n=16). It appeared most frequently in the right arm (31.25%, n=16) and found bilaterally in 2(12.5%, n=16) cases; arising from the lower third the humeral shaft at 12.82 ± 0.59 cms. from the external humeral condyle and with a total length of 12.9 ± 0.29 cms. These results provide an anatomic description of the characteristics of this variation in the population studied and also is the first report of this accessory head among Colombians

Palabras llave : Human Anatomy; Biceps brachii muscle; Accessory head of biceps brachii muscle; Anatomical variations.

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