Join the 2026 NSCA Athleticism for Life Summit in Eugene, OR, on March 28. Explore athletic development for lasting performance, learn hands-on, + earn 0.8 CEUs

The CSCS examination reflects the most current and accepted KSA standards within the health and fitness industries. Further, the examinations may be developed from references that may be in addition to resources listed below. NSCA materials survey important content area, but are not a comprehensive study of the Exercise Science.

The National Strength and Conditioning Association is governed by a Board of Directors that is elected by the NSCA membership. The board is comprised of eight members of the NSCA and one elected public member.

Meet the winners of the 2026 NSCA Elections, elected to strengthen the organization, support NSCA Members, and advance the strength and conditioning profession.

We are excited about your interest in CASCE accreditation. Your application is the first step in the accreditation process.

Hybrid fitness competitions such as HYROX have rapidly gained popularity, blending aerobic endurance running with a variety of high-intensity resistance and ergometer-based stations in a globally standardized format. The sport’s unique structure, comprising eight 1-kilometer runs interspersed with diverse workload stations, presents distinct physiologic, biomechanical, and technical demands. This review synthesizes existing research on hybrid fitness events to identify the key determinants of HYROX performance, emphasizing aerobic capacity, anaerobic power, local muscular endurance, and maximal strength. The aerobic system is foundational, enabling recovery between high-intensity efforts and sustaining performance during the event’s prolonged duration. Conversely, anaerobic capacity is critical for executing the high-intensity efforts demanded by each fitness station. Local muscular endurance supports repeated submaximal contractions, while strength and power underpin performance in movements such as sled pushes and running economy. Technical proficiency and injury prevention strategies are also discussed, alongside targeted programming recommendations, including high-intensity interval training, circuit training, and blood flow restriction methods. Despite its growing popularity, limited sport-specific research exists, necessitating further investigation to refine training and performance strategies. This review provides a comprehensive framework for athletes and coaches to optimize preparation and performance in HYROX, contributing to the broader understanding of hybrid fitness competitions.

The National Strength and Conditioning Association (NSCA) announces today the release of the organization’s newest textbook, the NSCA’s Essentials of Sport Science. This cutting-edge publication brings together many of the world’s top experts from the sport science field to build a definitive resource for the profession.