381 Augmented Baseplates Yield Optimum Outcomes when Compared to Bone Graft Augmentation for Managing Glenoid Deformity During Reverse Total Shoulder Arthroplasty—A Retrospective Comparative Study

382 Anatomic Shoulder Arthroplasty with High Side Reaming versus Reverse Shoulder Arthroplasty for Eccentric Glenoid Wear Patterns with an Intact Rotator Cuff: Comparing Early versus Mid-Term Outcomes with Minimum 7 Years of Follow Up

383 Anatomic Total Shoulder Arthroplasty: Outcomes and Survivorship at an Average of 11 Years in 172 Shoulders

384 Higher Surgeon Volume is Associated with Lower Rate of Subsequent Revision Procedures following Total Shoulder Arthroplasty: A National Analysis with 2-Year Longitudinal Follow Up

385 Internal Rotation In Adduction after Reverse Total Shoulder Arthroplasty Demonstrates Joint Orientation and Anatomic Biases in High and Low Performing Subjects