GLENOHUMERAL CAPSULE SHOULD BE EVALUATED AS A SHEET OF FIBROUS TISSUE: A STUDY IN FUNCTIONAL ANATOMY

TL;DRAbstract

Following glenohumeral joint dislocation, surgical repair is often advocated where the glenohumeral capsule is shifted and plicated. However, nearly 25% of patients still experience redislocations. To improve these results, functional evaluations (experimental and computational) of the glenohumeral capsule have been performed whereby isolated, discrete capsuloligamentous regions of the capsule were examined. Specifically, the capsuloligamentous region termed the anterior band of the inferior glenohumeral ligament is often examined in this way since it is frequently injured during dislocations. However, this practice may not be appropriate as recent data suggests that the glenohumeral capsule functions multiaxially. Therefore, the objective of this work was to compare the predicted strain distribution and deformed shape of the anterior band of the inferior glenohumeral ligament to that experimentally measured for two finite element models: 1) composite model including all capsuloligamen

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