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normal and unstable shoulder. Further CT studies 33 , 46 found no significant differences in glenohumeral index, humeral retrotorsion or variation in radius or width of the humeral head between patients with recurrent anterior shoulder instability
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FORE (Foundation for Research and Teaching in Orthopedics, Sports Medicine, Trauma, and Imaging in the Musculoskeletal System), Meyrin, Switzerland
Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
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can present with a wide variety of symptoms, ranging from isolated shoulder pain on movement to frank multidirectional instability ( 2 ). In addition, some patients may be able to sublux or dislocate the glenohumeral joint voluntarily. These patients
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recurrent anterior glenohumeral dislocations. 2 , 3 It has been reported that humeral head defects contribute to anterior shoulder instability in 40% to 70% of patients with a first-time dislocation, and up to 90% of recurrent cases. 4 , 5
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Introduction Isolated posterior instability is reported as being the least common of all glenohumeral instabilities, representing from 2 to 10% of all cases ( 1 , 2 ). In certain demographic groups, such as athletes in contact sports, rowers
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School of Surgery, University of Western Australia, Perth, Australia
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. Journal of Athletic Training 2018 53 181 – 183 . ( https://doi.org/10.4085/1062-6050-232-16 ) 28 Lloyd G Day J Lu J Lincoln A Attanasio S & Svoboda S . Postoperative rehabilitation of anterior glenohumeral joint instability surgery: a
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. The main culprit for this difficulty is the unique complexity of glenohumeral joint stability. Three different instability forms were reported according to the direction of the dislocation: anteroinferior dislocation accompanying posterior
Faculty of Medicine, University of Geneva, Switzerland
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Affidea Centre de Diagnostic Radiologique de Carouge CDRC, Geneva, Switzerland
Department of Surgical Sciences, Uppsala University, Sweden
Department of Neuroradiology, University Hospital Freiburg, Germany
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Medical Research Department, Artanim Foundation, Geneva, Switzerland
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Introduction The glenohumeral joint has six degrees of freedom, 1 three translational and three rotational, with minimal bony constraints that provide a large functional range of motion, making this joint vulnerable to instability. The
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radiographic description of lesion, naming it Hill–Sachs lesion (HSL). 1 Later on the glenoid rim lesions were reported. 1 Quantifying bone loss is of utmost importance to decide the best treatment for recurrent anterior glenohumeral instability
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Faculty of Medicine, University of Geneva, Geneva, Switzerland
Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
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instability and impingements. Second, mobility is assumed by 18 muscles that act in synergy. Consequently, decoupling/isolating them is impossible, making precise kinematic analysis and clinical examination difficult. Third, the glenohumeral joint has the
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retroversion. Glenohumeral instability can result from inferior glenohumeral release 4 or incomplete subscapularis healing, which can also lead to secondary glenoid loosening. The re-rupture rate after tenotomy varies substantially between studies with
