P0321 Correlation between Baseplate Positioning and Clinical Outcomes after Reverse Shoulder Arthroplasty

P0431 Isolated Meniscus Allograft Transplantation Effectively Reduces Knee Laxity in the Presence of Previous Meniscectomy: In-Vivo Navigation of 18 Consecutive Cases

P0439 Epidemiology of Sports Injuries among High School Athletes in the United States

P0895 Does Running Increase the Risk for Hip and Knee Arthritis?: A Survey of 3,804 Chicago Marathon Runners