Abstract Summary
A previous study determined optimised glenosphere placement on reverse total shoulder arthroplasty (RTSA) in order to improve impingement free range of motion. The current study has evaluated the effect of this optimised placement on micromotion at the bone-implant interface using a finite element study and physiologically relevant joint contact forces. Overall, the optimised configuration did not have a significant effect on micromotion which was found to be below the critical threshold for bone ingrowth.
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