Abstract
The glenohumeral joint (GHJ) is a synovial “ball-and-socket” joint composed of a round humeral head and a relatively small, flat, pear-shaped glenoid fossa. The latter is deepened by a fibrocartilaginous rim, the glenoid labrum (Fig. 21.1). Because only one third of the humeral head is covered by the glenoid cavity, it confers the shoulder inherent instability, making it susceptible to subluxation and dislocation.
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Peng, P.W.H. (2015). Glenohumeral Joint. In: Regional Nerve Blocks in Anesthesia and Pain Therapy. Springer, Cham. https://doi.org/10.1007/978-3-319-05131-4_21
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DOI: https://doi.org/10.1007/978-3-319-05131-4_21
Publisher Name: Springer, Cham
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