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Glenoid Labrum

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Normal and Pathological Anatomy of the Shoulder

Abstract

The glenohumeral joint allows extensive mobility to the shoulder therefore requiring a complex integration of both passive and active stabilizers to provide adequate stability. To provide this stability, a complex interplay of ligamentous, muscular, and bony stabilizers acts to maintain reduction of the head of the humerus to the glenoid. These structures include the fibrous joint capsule and its associated ligaments providing passive stability to the joint, as well as the surrounding muscular structures providing dynamic muscular stability during motion including the rotator cuff muscles, deltoid, and pectoral muscles. Despite these stabilizers, episodes of instability are not uncommon and often result in the disruption of these soft tissues. The purpose of this chapter is to describe the clinical anatomy of the stabilizers of the glenohumeral joint. Description of these structures will focus on the glenoid labrum , its soft tissue stabilizers including the superior, middle, and inferior glenohumeral ligaments, and the dynamic muscle stabilizers including the rotator cuff muscles, deltoid, and pectoral muscles.

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Authors and Affiliations

  1. Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT, USA

    John Apostolakos BS, Justin S. Yang MD, Alexander R. Hoberman BA, Monica Shoji BA, Jeffrey H. Weinreb BS, Andreas Voss MD, Jessica DiVenere BS & Augustus D. Mazzocca MS, MD

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  1. John Apostolakos BS
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  2. Justin S. Yang MD
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  3. Alexander R. Hoberman BA
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  4. Monica Shoji BA
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  5. Jeffrey H. Weinreb BS
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  6. Andreas Voss MD
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  7. Jessica DiVenere BS
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  8. Augustus D. Mazzocca MS, MD
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Corresponding author

Correspondence to Augustus D. Mazzocca MS, MD .

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Editors and Affiliations

  1. Department of Orthopedics and Trauma, Flinders University, Adelaide, South Australia, Australia

    Gregory I. Bain

  2. Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, Miyagi, Japan

    Eiji Itoi

  3. Orthopaedic, Concordia Hospital for Special Surgery, Rome, Italy

    Giovanni Di Giacomo

  4. Funabashi Orthopaedic Sports Med Cn Shoulder & Elbow Service, Chiba, Japan

    Hiroyuki Sugaya

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Apostolakos, J. et al. (2015). Glenoid Labrum. In: Bain, G., Itoi, E., Di Giacomo, G., Sugaya, H. (eds) Normal and Pathological Anatomy of the Shoulder. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45719-1_9

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  • DOI: https://doi.org/10.1007/978-3-662-45719-1_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-45718-4

  • Online ISBN: 978-3-662-45719-1

  • eBook Packages: MedicineMedicine (R0)

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