Anatomic variants of the coracoacromial ligament

Cadaveric anatomic dissections of 50 shoulders have been done with measurement and histologic analysis of the coracoacromial ligament. In subjects older than 50 years of age the coracoacromial ligament does not have a constant form. Three main types were identified: quadrangular, Y-shaped, and a bro...

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Bibliographic Details
Published in:Journal of shoulder and elbow surgery Vol. 4; no. 5; pp. 370 - 375
Main Authors: Martin Holt, E., Allibone, Richard O.
Format: Journal Article
Language:English
Published: United States Mosby, Inc 01-09-1995
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Summary:Cadaveric anatomic dissections of 50 shoulders have been done with measurement and histologic analysis of the coracoacromial ligament. In subjects older than 50 years of age the coracoacromial ligament does not have a constant form. Three main types were identified: quadrangular, Y-shaped, and a broad band. A previously unreported type of coracoacromial ligament the multiple banded ligament, was found. It had the largest coracoid attachment. This ligament was similar to the Y form but with an additional band extending inferiorly and medially toward the base of the coracoid. Histologic analysis indicates the multiple banded type could be more common than this study suggests.
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ISSN:1058-2746
1532-6500
DOI:10.1016/S1058-2746(95)80021-2