Cameron Blimkie, Ph.D., is professor in the Department of Kinesiology at McMaster University in Ontario, Canada. He is a specialist in pediatric exercise physiology, known internationally for his expertise in the neuromuscular and musculoskeletal adaptations of children to exercise. He recently completed a 6-year term as director of the Graduate Program in Kinesiology. Dr. Blimkie is former foundation chair of pediatric exercise science research at the New Children’s Hospital in Sydney, Australia, and has held invited visiting professorships at the Catholic University of Leuven, Belgium, and the Department of Pediatrics, the University Hospital of Geneva, Switzerland. He is a former vice president of the Canadian Society for Exercise Physiology and served as a consultant to the Swiss MusculoSkeletal Health Research Program. Dr. Blimkie has also been a member of the editorial board of the journal Pediatric Exercise Science for the past 20 years and is a longtime fellow of the American College of Sports Medicine (ACSM). He was an invited contributor to the Clinical Guidelines on Osteoporosis issued by the Osteoporosis Society of Canada, to the Bone Health section of the recent Guidelines for Youth Physical Activity sponsored by the Centers for Disease Control and Prevention, and to a recent consensus statement on Training Considerations for Young Athletes sponsored by the International Olympic Committee Medical Commission. Dr. Blimkie’s research spans a spectrum of special clinical populations, including children with obesity, diabetes, and cystic fibrosis, as well as normal healthy children and elite young athletes. He received his B.A. in combined arts and physical education from McMaster University and his M.A. in physical education and Ph.D. in medical physiology from the University of Western Ontario.
Darla Castelli, Ph.D., is an associate professor in the Department of Kinesiology and Health Education at the University of Texas at Austin. Formerly a health and physical education teacher, she is a past president of the Maine Association for Health, Physical Education, Recreation and Dance (AHPERD) and a 1995 teacher of the year. From a pedagogical perspective, Dr. Castelli studies the effects of physical activity and metabolic risk factors on cognitive performance in school-aged children. She has presented her work at congressional briefings in Washington, DC, in support of the Fit Kids Act. For her role in this research, she was named a 2006 young scholar by the International Association of Physical Education in Higher Education and a past-president’s scholar by the 2007 Illinois Association for Health, Physical Education, Recreation and Dance. Dr. Castelli has published in Preventive Medicine, Medicine and Science in Sport and Exercise, Research Quarterly for Exercise and Sport, and Developmental Psychology. Her research has been funded by the National Institutes of Health, the American Dietetic Association, and the U.S. Department of Education. She