Unusual Muscle Fibre Arrangement of Subscapularis Muscle

Rao, Srinivasa Sirasanagandla and Ravinda, SS and Surendran, S and Reghunathan, D and Jetti, R and Nayak, Satheesha B (2013) Unusual Muscle Fibre Arrangement of Subscapularis Muscle. OA Case Reports, 2 (16). pp. 1-2.

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Abstract

Introduction Subscapularis muscle presents various patterns in its muscle fibre arrangement.Most of these patterns were well documented in the literature. Case report In the present case, we report an unusual pattern of the origin of the Subscapularis muscle in a 55-yearold male cadaver of South Indian origin. The origin of the Subscapularis muscle presented the multipennate arrangement in the left subscapular fossa. The triangular shaped muscle had upper and lower pennate fasciculi. The upper pennate fasciculi were interdigitating with the lower pennate fasciculi. A small-sized unusual muscle fasciculus of Subscapularis was found to be continuing with the serratus anterior muscle, close to the insertion of the later.Conclusion This fasciculus had an ascending intermuscular septum at the initial portion of the fasciculus. The unusual muscle pattern may be of clinicalimportance while performing the muscle transposition in the chronic rotator cuff repair in diseases such as rheumatoid arthritis.

Item Type: Article
Subjects: Medicine > MMMC Manipal > Anatomy
Depositing User: KMC Library
Date Deposited: 09 May 2016 09:12
Last Modified: 09 May 2016 09:12
URI: http://eprints.manipal.edu/id/eprint/145988

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