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Clin Biomech (Bristol, Avon). 2003 Jun;18(5):369-79.

Anatomical and biomechanical mechanisms of subacromial impingement syndrome.

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  • 1Department of Physical Therapy, Medical College of Virginia, Virginia Commonwealth University, P.O. Box 980224, Richmond, VA 23298, USA. lamichen@vcu.edu

Abstract

Subacromial impingement syndrome is the most common disorder of the shoulder, resulting in functional loss and disability in the patients that it affects. This musculoskeletal disorder affects the structures of the subacromial space, which are the tendons of the rotator cuff and the subacromial bursa. Subacromial impingement syndrome appears to result from a variety of factors. Evidence exists to support the presence of the anatomical factors of inflammation of the tendons and bursa, degeneration of the tendons, weak or dysfunctional rotator cuff musculature, weak or dysfunctional scapular musculature, posterior glenohumeral capsule tightness, postural dysfunctions of the spinal column and scapula and bony or soft tissue abnormalities of the borders of the subacromial outlet. These entities may lead to or cause dysfunctional glenohumeral and scapulothoracic movement patterns. These various mechanisms, singularly or in combination may cause subacromial impingement syndrome.

PMID:
12763431
[PubMed - indexed for MEDLINE]
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