Superior wear of the glenoid bone is common in patients with rotator cuff arthropathy. This can become a treatment challenge for patients who require shoulder arthroplasty.

In reverse shoulder arthroplasty (RSA), glenoid bone loss may affect the stability of baseplate fixation.

The primary purpose of this biomechanics laboratory study was to asses the initial fixation stability of RSA glenosphere baseplates in the presence of variable amounts of superior glenoid bone loss.

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