Welcome to International Journal of Anatomy and Research

Type of Article : Original Research

Year: 2015 | Volume 3 | Issue 4 | Page No. 1466-1470

Date of Publication: 31-10-2015

DOI: http://dx.doi.org/10.16965/ijar.2015.265

INCIDENCE OF THIRD HEAD OF BICEPS BRACHII IN INDIAN POPULATION

Subhalakshmi Wahengbam *¹, Renuca Karam ², Kalpana Thounaojam ³, Elizabeth Remei ⁴.

^*1 Associate Professor, Department of Anatomy, Jawaharlal Nehru Institute of Medical Sciences(JNIMS), Imphal, Manipur, India.
² Assistant Professor, Department of Anatomy, Jawaharlal Nehru Institute of Medical Sciences(JNIMS), Imphal, Manipur, India.
³ Associate Professor, Department of Anatomy, Jawaharlal Nehru Institute of Medical Sciences (JNIMS), Imphal, Manipur, India.
⁴ Demonstrator, Department of Anatomy, Jawaharlal Nehru Institute of Medical Sciences (JNIMS), Imphal, Manipur, India.

Address: Dr. Subhalakshmi Wahengbam, Associate Professor, Department of Anatomy, Jawaharlal Nehru Institute of Medical Sciences (JNIMS), Imphal-795005, Manipur, India. Mobile no.: (91)8731086918
E-Mail: subhawah_e@rediffmail.com

Abstract

Background: The biceps brachii is one of the muscles of the anterior compartment of the upper arm. It is characteristically described as a two-headed muscle that originates proximally by a long head and a short head. The present study was carried out to find the occurrence of a third head of biceps brachii among a sample Indian population.
Materials and Methods: The arms of 35 adult cadavers were dissected and observed for variations in the origin and insertion of biceps brachii muscle bilaterally.
Results: Among the 70 arms studied, three had 3-headed biceps brachii, 2 on the left and 1 on the right side. All the third heads were of humeral origin, which inserted into the radial tuberosity by a common tendon with the long and short heads.
Conclusion: Knowledge of the existence of the third head of biceps brachii may enhance pre-operative evaluation, facilitate surgical intervention within the arm and improve postoperative outcomes.
KEY WORDS: Biceps brachii, Scapula, Humerus, Radial tuberosity, Coracobrachialis.

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Subhalakshmi Wahengbam, Renuca Karam, Kalpana Thounaojam, Elizabeth Remei. INCIDENCE OF THIRD HEAD OF BICEPS BRACHII IN INDIAN POPULATION. Int J Anat Res 2015;3(4):1466-1470. DOI: 10.16965/ijar.2015.265