The Third Head of Biceps Brachii Muscle in Korean: Anatomical Study

Je-Hun Lee (이제훈)

doi:10.11637/aba.2013.26.3.97

The Third Head of Biceps Brachii Muscle in Korean: Anatomical Study

Anatomy & Biological Anthropology
Abbr : Anat Biol Anthropol
2013, 26(3), pp.97~100
DOI : 10.11637/aba.2013.26.3.97
Publisher : 대한체질인류학회
Research Area : Medicine and Pharmacy > Anatomy

Je-Hun Lee ¹

¹건양대학교

Accredited

ABSTRACT

The goal of this study was to investigate the incidence of third head of biceps brachii (THBB) for understanding unexpected cases in clinical practice. The sample consisted of 214 upper extremities from 107 adult cadavers donated to science (70 males and 37females; age, 51-87 years). Cases with pathological changes or trauma to the upper limbs were excluded. THBB was found in 14 of the 214 upper extremities. The incidence of variation was approximately 6.5%. THBB was found in 10 male limbs and 4 female limbs, and none of the cases was bilateral. THBB was a flat muscular belly-like structure that originated from the anteromedial surface of the humerus between the insertion of the coracobrachialis and the origin of the brachialis. This finding may be clinically important because the musculocutaneous nerve is subjected to compression by the bulky third head.

KEYWORDS

Third head, Biceps brachii, Musculocutaneous nerve, Anatomy

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* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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Anatomy & Biological Anthropology 2023 KCI Impact Factor : 0.33

The Third Head of Biceps Brachii Muscle in Korean: Anatomical Study

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* References for papers published after 2023 are currently being built.

Anatomy & Biological Anthropology 2023 KCI Impact Factor : 0.33

The Third Head of Biceps Brachii Muscle in Korean: Anatomical Study

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* References for papers published after 2023 are currently being built.