Explains the theory behind lactate threshold training for success in endurance athletics, and offers heart-rate based training programs, tests for self-assessment of lactate threshold, guidelines for avoiding overtraining, advice on nutrition, and workout examples of elite endurance athletes. For elite and recreational athletes, trainers, sports physicians, and coaches. Janssen is recognized as a pioneer in lactate threshold training. He runs a sports medicine advisory center. Annotation c. Book News, Inc., Portland, OR (booknews.com)