417 Kinesiophobia and Pain Catastrophizing Leads to Decreased Return to Sport following Autologous Chondrocyte Implantation but Does Not Affect Return to Work

e178 Chatbot Enrollment Correlates with Fewer Emergency Department Visits and Readmissions after Total Joint Arthroplasty

e607 The Influence of Tibial Length on Radiographic Posterior Tibial Slope Measurement: How Much Tibia Do We Need?

e647 Preoperative Resilience is Not Associated with Patient-Reported Outcomes following Meniscectomy: A Prospective Cohort Study

e656 Patients Who Undergo Bilateral Medial Patellofemoral Ligament Reconstruction Return to Sport at a Similar Rate as Those that Undergo Unilateral Reconstruction