David S. Logerstedt, PT, PhD, MPT, MA, SCS, graduated with a Bachelor of Science degree in health and human performance from the University of Montana and a Master of Arts degree in exercise physiology from the University of North Carolina. Dr. Logerstedt earned a master’s degree in physical therapy from East Carolina University and a doctorate in the interdisciplinary program of biomechanics and movement science from the University of Delaware. He completed a postdoctoral research position in knee osteoarthritis and total knee arthroplasty with Drs. Lynn Snyder-Mackler and Joseph Zeni, Jr. Dr. Logerstedt is an Assistant Professor at the University of the Sciences in Philadelphia. He has been a practicing rehabilitation specialist for nearly 20 years and is board certified in sports physical therapy. Dr. Logerstedt was a physical therapist at the athletes’ Olympic Village polyclinic at the 2002 Salt Lake City Winter Olympics. He has presented his research on ACL and knee disorders at national and international conferences and has published in prestigious sports medicine journals on ACL injuries.