Preface, Acknowledgements, Introduction to Group Exercise, Profile of a Group Exercise Instructor: Education and Credentials and Opportunities, Class Design, Getting Started: Questions to Ask, Group Exercise Class Formats and Exercise Selection, Exercise Intensity and Modifications, The Role of Music and Choreography, Virtual Group Exercise Classes, Leadership, Group Dynamics and Group Cohesion, Behavioral Aspects of Instruction for Adherence and Motivation, Nutrition Guidelines for Group Exercise Instructors, Instruction, Preclass Procedures, Instructional Principles of Communication and Cueing, Guidelines for Special Conditions, Professional Responsibilities, Professional Responsibilities and Legal Aspects of Group Exercise Instruction, Historical and Future Perspectives of Group Exercise, History and Benefits of Group Exercise, and How to Advanced as a Health and Fitness Professional, Cross Check System, ACM Certified Group Exercise Instructor Domains and Job Tasks, Sample Job Description, Sample Group Fitness Instructor Technical Evaluation, Effects of Various Temperatures on Human Performance, Appendices, Index.