ACSM’s Resources for the Group Exercise Instructor, 2nd Edition, equips fitness professionals with the knowledge and the skills needed to effectively lead group exercise in gyms, studios, recreational facilities, and clubs. An essential resource for undergraduate exercise science programs, students in pre-professional programs, and those independently prepping for the ACSM-GEI certification, this engaging, accessible text reflects the authoritative expertise of the American College of Sports Medicine (ACSM) and delivers complete preparation for becoming an ACSM Certified Group Exercise Instructor. The extensively revised and reorganized 2nd Edition streamlines learning and aligns content to the domains of the ACSM Certified Group Exercise Instructor Exam, boosting exam confidence and delivering step-by-step guidance to ensure success in professional practice.