Motion and Muscular Function After Reverse Shoulder Arthroplasty

Nyffeler, Richard W.

doi:10.1007/978-3-319-20840-4_6

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2024

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Cited by 2 publications

References 17 publications

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Rotator Cuff Arthropathy

Brandariz,

Neyton

2024

Orthopaedics and Trauma

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Rotator Cuff Arthropathy

Brandariz,

Neyton

2024

Orthopaedics and Trauma

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Baseplate inferior offset affects shoulder range of motion in reverse shoulder arthroplasty in Asian population

Yamada,

Kozono,

Nabeshima

et al. 2024

J Orthop Surg Res

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Background Impingement is a common complication of reverse shoulder arthroplasty. Placement of the baseplate with a wide impingement-free angle is ideal; however, there are few studies on Asian populations, which have smaller height and physique, and there is a lack of guidance on achieving optimal outcomes. The purpose of the present study was to explore the impingement-free range of motion reverse shoulder arthroplasty and analyze the suitable baseplate position or tilt for the Asian population using simulation software. Methods We uploaded computed tomography scan data from 20 Asian patients to three-dimensional (3D) simulation software. The implantation of the reverse shoulder arthroplasty component was performed on the 3D humerus and scapula using software, and range of motion was assessed until impingement occurred. Results The range of motion in flexion significantly improved when the baseplate was lowered up to 3 mm inferiorly. Range of motion in abduction and internal and external rotation significantly improved as the baseplate was lowered up to 4 mm. There was no significant difference in range of motion in any motion after changing the inferior tilt, except in internal and external rotation. Conclusions The range of motion in abduction, flexion, and internal and external rotations significantly improved with increased inferior offset. These results may prove valuable in determining the optimal baseplate position for RSA, particularly in Asian populations.

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Motion and Muscular Function After Reverse Shoulder Arthroplasty

Cited by 2 publications

References 17 publications

Rotator Cuff Arthropathy

Rotator Cuff Arthropathy

Baseplate inferior offset affects shoulder range of motion in reverse shoulder arthroplasty in Asian population

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