AFAA's Group Fitness Instructor certification is built on the foundation of AFAA's reputation of more than 30 years as a leader and innovator of group based fitness. Taking the theory from the exercise library to bring it where it is needed most-the fitness center, the home gym, the street-this new text takes the group fitness industry's successes of the past and realigns them with modern scientific research to effectively help a new instructor navigate a career in fitness. This text employs strategic learning features that not only make the content more digestible but also turn theory into practice. The chapter progression weaves evidence-based research, science, and application throughout the entire text, in order to enhance learning and contextual understanding. The new features are as follows: - Caution-Distinct things instructors should be aware of as they relate to scope of practice and potential pitfalls. - Check it Out-Quick tips and/or facts that have an apparent application and real-world usability. This feature enables the reader a quick insight and application to the concepts read. - Instructor Tips-Inside-the-industry application tips from experts with years of experience. - Memory Tips-Tips and tricks for instructors to easily remember complex terms without the extended effort of rote memorization. - Practice This-On-the-spot activities to help instructors practice and apply the content.