1. SK Stackhouse, PT, MS, is a doctoral student in the Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware
2. DS Reisman, PT, MA, is a doctoral student in the Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware
3. SA Binder-Macleod, PT, PhD, is Chair and Professor, Department of Physical Therapy, University of Delaware, Newark, DE 19716 (USA).