277 Impact of 3D CT Reconstructed Deltoid Size, Shape, and Volume Measurements on Active Range of Motion Before and After Anatomic and Reverse Total Shoulder Arthroplasty

e478 Comparing Reverse Total Shoulder Arthroplasty for Fracture versus Degenerative Conditions: Five-Year Minimum Follow - Up

e522 Clinical Outcomes Validate RAND/UCLA Appropriateness Criteria Algorithm for Anatomic TSA to Streamline the Clinical Decision-making Process

e707 High tibiofemoral rotations: Why the popliteus may be an important consideration