About the Authors
Eric Durak is the director of Medical Health and Fitness, a research and consulting firm based in Santa Barbara. He specializes in exercise programs for special population groups, and has published scientific articles in: The American Journal of Obstetrics and Gynecology, Diabetes Care, and The Somatics Journal. He is the author of Exercise, Cancer, Wellness, and Rehabilitation, published this year.

Charles Staley is Vice President for Program Development at the International Sport Sciences Association. A former martial arts competitor and current top-ranked master's discus thrower. Charles has written over 50 articles on the topics of sports training, fitness, body building, and nutrition. He serves as a faculty for ISSA seminars across the nation.