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    Clin Orthop Relat Res. 1990 May;(254):60-3.

    Observations on impingement.

    Source

    Department of Orthopaedic Surgery, George Washington University, Washington, D.C. 20037.

    Abstract

    The combined interaction of four elements produces lesions of the rotator cuff, commonly known as impingement. The elements are: vascular, degenerative, traumatic, and mechanical or anatomic factors. The elements are interrelated, and each affects the tendons in a manner that contributes to tendon weakening. It is unlikely that any one element is solely responsible for cuff lesions; the nature of each lesion is determined by the factors that predominate in that individual case. The net result is degeneration of the tendons.

    PMID:
    2182259
    [PubMed - indexed for MEDLINE]

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