1. E Bressel, EdD, is Assistant Professor, Utah State University, Department of Health, Physical Education, and Recreation, 7000 Old Main Hill, Logan, UT 84322 (USA). Dr Bressel was a postdoctoral research fellow at Auckland University of Technology when this study was conducted.
2. PJ McNair, PT, PhD, is Associate Professor, Neuromuscular Research Unit, Auckland University of Technology, School of Physiotherapy, Auckland, New Zealand