This should be useful to advanced students, physiologists, clinicians, physical educators and any professional pursuing study of the body as a working machine. Written by world-renowned exercise physiologists and sports medicine specialists, the new edition retains the important historical background and exercise physiology research conducted by the authors over the past 40 years. The book addresses the application of this information to the fields of exercise physiology and work physiology. "Classical studies" and "additional reading" side boxes are also included for those who wish to study a topic more closely.