Brian T Grisez, Mark A Goodman and Brock A Lindsey
The anterior deltoid's importance in reverse shoulder arthroplasty: a cadaveric biomechanical study.
- Citation data:
Journal of shoulder and elbow surgery, ISSN: 1532-6500, Vol: 22, Issue: 3, Page: 357-64
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- Medicine; Reverse total shoulder arthroplasty; shoulder reconstruction; deltoid; flexion; abduction; moment arms; cadaveric study
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Frequently, patients who are candidates for reverse shoulder arthroplasty have had prior surgery that may compromise the anterior deltoid muscle. There have been conflicting reports on the necessity of the anterior deltoid thus it is unclear whether a dysfunctional anterior deltoid muscle is a contraindication to reverse shoulder arthroplasty. The purpose of this study was to determine the 3-dimensional (3D) moment arms for all 6 deltoid segments, and determine the biomechanical significance of the anterior deltoid before and after reverse shoulder arthroplasty.