This study examines how coracoacromial and coracohumeral ligament releases affect glenohumeral stability, suggesting important implications for surgical procedures.
There have been few published reports concerning the function of the coracohumeral ligament (CHL) and coracoacromial ligament (CAL) on the glenohumeral (GH) joint stability. Sectioning of the CHL is sometimes performed during the repair of large rotator cuff tears, during total shoulder arthroplasty, and during the surgical release of a frozen shoulder. The CAL ligament is frequently resected during the surgical decompression of the rotator cuff for impingement syndrome. The purpose of this study is to determine the effect of the CHL and CAL releases on glenohumeral displacement (anterior, posterior, and inferior) and glenohumeral rotation (internal and external).
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Lee et al. (1995) studied this question.
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