1. LL Andersen, PhD Stud, MSc, is Exercise Physiologist and Researcher, National Institute of Occupational Health, Lersø Parkalle 105, DK 2100 Copenhagen Ø, Denmark, and Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, 2400 Copenhagen NV, Denmark
2. SP Magnusson, PT, DSc, is Associate Professor, Institute of Sports Medicine Copenhagen, Bispebjerg Hospital
3. M Nielsen, PT, is Physical Therapist, Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, and School of Physiotherapy, University College South, Copenhagen, Denmark
4. J Haleem, PT, is Physical Therapist, Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, and School of Physiotherapy, University College South
5. K Poulsen, PT, is Physical Therapist, Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, and School of Physiotherapy, University College South
6. P Aagaard, PhD, is Professor and Researcher, Institute of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark