ACSM's Certification Review is a review manual for candidates wanting an ACSM credential including ACSM Certified Health Fitness Specialist (HFS), the ACSM Clinical Exercise Specialist (CES), and the ACSM Certified Personal Trainer (CPT) certifications. Content is based on the Knowledge, Skills, and Abilities (KSAs) found in ACSM's Guidelines for Exercise Testing and Prescription .