Book excerpt: Build the foundation of scientific knowledge and practical decision-making skills needed to excel in an exercise training career Master the core concepts of exercise physiology and learn how to apply them to the real-world challenges of exercise training with Exercise Physiology: Integrating Theory and Application, Third Edition. Designed to connect theory to practice, this engaging, accessible text gives students a thorough understanding of how the body adapts to exercise and environmental stresses and how basic physiology informs practical decisions. This new edition expands the coverage of practical applications, extends on our growing scientific knowledge of exercise physiology, explores the topic of “Exercise is Medicine”, and offers more guidance on finding reliable research-based answers to real-life questions. New content, as well as updated coverage of the endocrine system, applying research, nutritional support, and environmental effects make this the perfect resource to support the diverse case scenarios seen by personal trainers, strength coaches, fitness instructors, athletic trainers, and other exercise professionals.