1. GK Fitzgerald, PT, PhD, OCS, is Assistant Professor, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15260 (USA).
2. JD Childs, PT, MPT, MBA, OCS, CSCS, Capt, US Air Force, is a doctoral student in the Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh
3. TM Ridge, PT, MS, CSCS, is Staff Physical Therapist, Center for Sports Medicine, University of Pittsburgh Medical Center, and Adjunct Instructor, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh
4. JR Irrgang, PT, PhD, ATC, is Assistant Professor, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh