New and updated, The Fitness Instructor's Handbook, 4th edition is the essential guide for anyone working in, or wishing to enter, the fitness industry: the ultimate resource for students and qualified fitness professionals alike. This edition includes new text on how to avoid poor exercise technique that can increase injury risk as well as a brand new section on field protocols for typical health and fitness tests with guidance on how instructors can standardise them. Other essential updates are also included that reflect changes to the National Occupational Standards for both Level 2 and 3 qualifications. At the end of each chapter you will also find revision questions to sharpen your knowledge and help with exam prep. Chapters include: The skeletal system Muscles and tendons The energy system Circulation and respiration Components of fitness Safety issues Customer service Screening clients Planning and programme design Exercise evaluation Offering the perfect blend of theory and practice for every aspect of health and fitness, this is the resource you will refer to time and again.