Dr. Matt Thornburg joined Columbia Orthopaedic Group in 2004 and specializes in sports medicine and non-operative orthopaedic care. He is an assistant team physician for the University of Missouri athletic department. Dr. Thornburg is also a leader in the use of PRP for helping his patients. PRP is "platelet-rich plasma." Platelets are a specialized type of blood cell that are involved in injury healing. With PRP, a concentrated platelet solution is injected into the injured area to stimulate healing.