1. KS Rudolph, PT, PhD, is Assistant Professor, Department of Physical Therapy and Program in Biomechanics and Movement Science, University of Delaware, 301 McKinly Lab, Newark, DE 19716 (USA)
2. LC Schmitt, PT, PhD, is Post-Doctoral Fellow, Department of Pediatrics, University of Cincinnati, College of Medicine; and Physical Therapist, Sports Medicine Biodynamics Center, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
3. MD Lewek, PT, PhD, is Assistant Professor, Center for Human Movement Science, Division of Physical Therapy, University of North Carolina at Chapel Hill, Chapel Hill, NC