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July 20, 2009

A rare muscle anomaly: The Supraclavicularis Proprius Muscle

The supraclavicularis proprius muscle is an abnormal muscle that may be found in the supraclavicularisfossaDuring routine dissection of 78 cadavers (corresponding to 156 supraclavicular fossae), 10% formalin fixed, we found it in one adult Caucasian male cadaver. In our experience, the frequency of occurrence of the supraclavicularis proprius muscle would be 0.64%This abnormal muscle consists of an anterior tendon inserting into the sternal aspect of the clavicle, lateral to the clavicular insertion of thesternocleidomastoideus muscle, and a posterior muscular portion entering the lateral aspect of the clavicle, medial to the acromioclavicular joint.
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CODE:3Hgce00001
Authors:
Nicolás Ernesto Ottone/ status:Student assistant
email: nicolasottone@gmail.com
Advisor: Dr.Carlos Medan
Institution: School of Medicine, University of Buenos Aires. Buenos Aires, Argentina.
Language: English
year: 2009

Paper published by Folia Morphologica
(2009, Vol. 68, No. 1, pp. 55-57)
[Received 17 September 2008; Accepted 15 November 2008]
Presented at 45th Argentinian Congress of Anatomy Mendoza 2008

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Related links:

  1. A Supraclavicularis Proprius (Gruber) P. P. Laidlaw
  2. Illustrated Encyclopedia of Human Anatomic Variation: Trapezius

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