The **ACSM’s Guidelines for Exercise Testing and Prescription, 11th Edition** is a critical resource from the American College of Sports Medicine, providing evidence-based standards for exercise testing and prescription. This comprehensive manual offers clear, concise guidelines for working with both healthy and diseased patients, making it an essential reference for exercise professionals and healthcare providers, including physicians, nurses, dietitians, and therapists. The updated edition has been reorganized for clarity and includes the latest Physical Activity Guidelines for Americans, ensuring that professionals have the most current information to guide their practice in exercise science and healthcare.