In this Info-graphic, block periodization and traditional periodization are reviewed on the effects on both upper and lower body strength and power.

This article breaks down periodization into sequencing and integrating training factors to optimize training outcomes.

In this session from the 2015 NSCA Coaches Conference, Cal Dietz, MS, presents the best applications in training of several sports that can be applied to most sports at various times of the year. The systematic approaches and the reasoning behind the step-by-step approach to block training, and the application of specific needs in the sport and energy system training also are covered.

Position statements are official statements of the NSCA on topics related to strength and conditioning and exercise science. All NSCA Position Statements are published in the Journal of Strength and Conditioning Research® and free to the public.

Certified Special Population Specialists® (CSPS®) are fitness professionals who, using an individualized approach, assess, motivate, educate, and train special population clients, including those with chronic and temporary health conditions. Become a certified personal trainer, then pursue this advanced personal trainer certification. CSPS® individuals train clients with medical conditions such as metabolic disease, autoimmune disorders, cancer and cardiac arrest, and address the needs of prenatal and postpartum personal training clients.

Discover salary trends and average earnings for strength and conditioning coaches and sport scientists in the 2025 NSCA Salary Survey. Get your free summary now.

Learn about sport science careers and the CPSS certification program​.

Certified Strength and Conditioning Specialists® (CSCS®) are professionals who apply scientific knowledge to train athletes for the primary goal of improving athletic performance. Learn more about becoming a strength and conditioning coach with the NSCA certification! Visit NSCA.com for more information on strength and conditioning jobs, strength and conditioning internships, continuing education and CEUs.

This article will provide some conditions and standards with specific tools personal trainers may consider using in their initial interview with potential clients.

The periodization of training is facilitated by a hierarchical structure that allows for several distinct interrelated levels that can be used in the planning process. Each level of the periodization process should be based on the training goals established for the athlete or team.