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Inferior Glenohumeral Ligament
Connective Tissue

Inferior Glenohumeral Ligament

Ligamentum glenohumerale inferius

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Anatomical Relations

The glenohumeral ligaments include the superior, middle, and inferior ligaments.

The inferior glenohumeral ligament arises from the anterior, middle, and inferior glenoid margin. It extends anteriorly and inferiorly to the inferior and medial aspect of the anatomical neck of the humerus.

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Structure

The glenohumeral ligaments are fibrous bands and are only truly evident from within the joint. The anterosuperior margin of the inferior glenohumeral ligament is thickened, forming an anterior band. Posteriorly, the articular capsule also has a thickening, known as the posterior band. Between the anterior and posterior bands, the articular capsule is thin and loose, and forms the axillary pouch (or recess).

Function

The inferior glenohumeral ligament reinforces the articular capsule of the glenohumeral joint, particularly the anterior portion of the capsule. Additionally, it is the most important stabilizer of the glenohumeral joint, preventing anterior or inferior dislocation of the humeral head (Burkart and Debski, 2002).

List of clinical correlates

—Glenohumeral joint dislocation

References

Burkart, A. C. and Debski, R. E. (2002) 'Anatomy and function of the glenohumeral ligaments in anterior shoulder instability', Clin Orthop Relat Res, (400), pp. 32-9.

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Glenohumeral Ligaments

ScienceDirect image

The medial glenohumeral ligament courses from the rim of the glenoid to insert caudal to the lesser tubercle.

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