Dr. Nepple specializes in pediatric and adolescent sports medicine, and is the Director of the Washington University and St. Louis Children's Young Athlete Center. He has clinical interests in adolescent and young adult hip disorders, including femoroacetabular impingement (FAI), labral tears and slipped capital femoral epiphysis (SCFE) with a specific focus on minimally invasive arthroscopic techniques for the treatment of hip disorders. Dr. Nepple also has clinical interests in pediatric and adolescent knee disorders, including osteochondritis dissecans (OCD), anterior cruciate ligament (ACL) injuries, meniscal tears and patellar instability/dislocations.