489 There is a Difference in Preoperative Mechanical Axis Alignment in Pediatric and Adolescent Patients with Anterior Cruciate Ligament Rupture and Patellofemoral Instability

490 Trochlear Morphology Development in Pediatric Patients with Patellofemoral Instability

491 Lateral Extra-Articular Tenodesis is Associated with Improved Anterior Cruciate Ligament Graft Signal on MRI Two Years following ACL Reconstruction with Quadriceps Tendon Autograft in Skeletally Immature Athletes

492 Risk Factors for Developing Arthrofibrosis following Anterior Cruciate Ligament Reconstruction in Pediatric Patients

493 Classifying Adolescent Patellar Instability Associated Medial Patellar Injuries Using an Anatomical Perspective