Effect of humeral tray placement on impingement-free range of motion and muscle moment arms in reverse shoulder arthroplasty.


Department of Human Biology, University of Cape Town, Cape Town, South Africa. Electronic address: [Email]


It has been suggested that onlay humeral tray placement in reverse shoulder arthroplasty can affect impingement and muscle functionality. This study investigates biomechanical changes to the reversed shoulder using a variety of tray positional configurations.


Biomechanical study,Computer modelling,Humeral tray placement,Impingement-free range of motion,Muscle moment arms,Reverse shoulder arthroplasty,

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