School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada eli.puterman@ubc.ca.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.Canadian Sport Institute Pacific, Victoria, British Columbia, Canada.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.Division of Sports Medicine, The University of British Columbia, Vancouver, British Columbia, Canada.Faculty of Education, The University of British Columbia, Vancouver, British Columbia, Canada.School of Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada.