1. W.G. Boissonnault, PT, DHSc, is Associate Professor, Department of Orthopedics and Rehabilitation, University of Wisconsin–Madison, 1300 University Ave, 5190 MSC, Madison, WI 53706 (USA).
2. M.B. Badke, PT, PhD, is Director, Outpatient Rehabilitation Services, Department of Orthopedics and Rehabilitation, University of Wisconsin Hospital and Clinics, Madison, Wisconsin.
3. J.M. Powers, MA, is Director, Department of Orthopedics and Rehabilitation, University of Wisconsin Hospital and Clinics.