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A Narrow Accessory Tendon in Biceps Brachii Muscle Insertion

Ghatak Surajit , Ghatak Surajit

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Indian Journal of Anatomy 5(1):p 101-103, January - March 2016. | DOI: DOI: http://dx.doi.org/10.21088/ija.2320.0022.5116.101

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Abstract

 A variation in biceps brachii muscle insertion by two tendons, one common tendon and another accessory tendon, in the right upper limb of a cadaver, 55 years old Indian male, was noted. A separate muscle bundleformed by several fibres from the medial side below the middle level of the arm continued as a narrow accessory tendon. This accessory tendon was in addition to the usual common belly, and was found to continue as a narrow tendinous slip and inserted in to the medial supracondylar ridge of humerus. The main muscle belly comprised of tendons from the short and long head and continued distally to form a common tendon which was inserted on the posterior part of the radial tuberosity. This variation may be considered as one of the potential cause of the pronator syndrome looking at the close relationship with the median nerve.

Key-words: Biceps Brachii Insertion; Variation.


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DOI: DOI: http://dx.doi.org/10.21088/ija.2320.0022.5116.101

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