Unusual Third Head of the Sternocleidomastoid Muscle from the Investing Layer of Cervical Fascia

Rao, Srinivasa Sirasanagandla and Bhat, Kumar MR and Pamidi, Narendra and Somayaji, Nagabhooshana S (2012) Unusual Third Head of the Sternocleidomastoid Muscle from the Investing Layer of Cervical Fascia. International Journal of Morphology, 30 (3). pp. 783-785. ISSN 0717-9502

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Abstract

The abnormal origin, presence of additional head and layered arrangement of fibers are the reported variations of sternocleidomastoid muscle in the past. In the present case we report a rare unusual origin of third head of the sternocleidomastoid muscle in a 60 year-old male cadaver. This additional head originated from the investing layer of cervical fascia in the roof of the subclavian triangle close to the clavicle and traversed obliquely upward, forward and fused with clavicular head. The insertion and nerve supply of the muscle was found to be normal.

Item Type: Article
Uncontrolled Keywords: Sternocleidomastoid muscle; Anatomical variation; Third head.
Subjects: Medicine > KMC Manipal > Anatomy
Medicine > MMMC Manipal > Anatomy
Depositing User: KMC Manipal
Date Deposited: 14 Mar 2013 05:03
Last Modified: 14 Mar 2013 05:03
URI: http://eprints.manipal.edu/id/eprint/78997

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