Written by respected researchers in the field, this critically acclaimed volume offers a cutting-edge investigation of energy metabolism and exercise in relation to sports nutrition. Various chapters examine the active body's need for carbohydrates, lipids, and proteins. The book also considers laboratory methods for determining the energy expenditure of athletes, as well as methods for measuring activity in the field. In addition, the text considers physiological aspects of energy metabolism such as weight regulation, and examines variances necessitated by gender and age. Separating fact from fad, this highly readable book offers sound advice for those concerned with the proper feeding of the active body.