Magnetic resonance imaging in glenohumeral instability

The glenohumeral joint enables tremendous range of motion at the expense of stability. Functional stability is maintained by the synchronous coordination of complex static and dynamic structures. Symptomatic glenohumeral instability most often results from injury to the inferior labral-ligamentous c...

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Bibliographic Details
Published inMagnetic resonance imaging clinics of North America Vol. 20; no. 2; p. 295
Main Authors Macmahon, Peter J, Palmer, William E
Format Journal Article
LanguageEnglish
Published United States 01.05.2012
Subjects
Humans
Joint Diseases - diagnosis
Joint Instability - pathology
Magnetic Resonance Imaging - trends
Shoulder Joint - injuries
Shoulder Joint - pathology
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Summary:The glenohumeral joint enables tremendous range of motion at the expense of stability. Functional stability is maintained by the synchronous coordination of complex static and dynamic structures. Symptomatic glenohumeral instability most often results from injury to the inferior labral-ligamentous complex, the primary passive stabilizer of the shoulder. This article reviews the structures important in glenohumeral stabilization and illustrates their normal appearances and the abnormalities associated with anterior, posterior, and multidirectional instability. These lesions are discussed in the context of therapeutic decision making.
ISSN:1557-9786
DOI:10.1016/j.mric.2012.01.003