Growth hormone release is affected by the type of resistance training protocol used, including the duration of rest periods. Short rest period types of workouts result in greater serum concentrations compared to long rest protocols of similar total work; however, at present it is not clear how the various molecular forms or types of growth hormones are affected by rest period duration.

“The goal of what we’re trying to do is make a difference in someone’s life,” says Gary Schofield in this session from the 2015 NSCA National Conference. Coach Schofield explains areas where you can make a difference for your athletes, including movement efficiency, recovery and regeneration, autoregulation, velocity-based training, and conditioning with purpose.

Mandy Nice explains the benefits and need of expanding health and fitness programs into military and law enforcement agencies, and offers strategies for the common obstacles preventing implementation of these programs.

Early sports specialization has been a controversial topic in the field of sports medicine, training, and conditioning. Recent studies report increased sports-related injuries in single-sport specialized athletes compared with multisport specialized athletes.

The catecholamines—primarily epinephrine, but also norepinephrine and dopamine—are secreted by the adrenal medulla and are important for the acute expression of strength and power because the hormones act as central motor stimulators and peripheral vascular dilators to enhance enzyme systems and calcium release in muscle.

This article is part of a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.

Learn how to evaluate the performance model of non-traditional, freestyle sports, and subsequently design the preparation framework that will positively influence performance. In this session from the NSCA’s 2017 National Conference, Jeremy Sheppard explains how to provide an effective training environment that is embraced by the athletes, as well as the mindset of athletes who are rule makers and rule breakers, not rule followers.

Look at the end result and work back - not only in training your athletes, but in your career, says Mark Uyeyama, head strength and conditioning coach for the San Francisco 49ers. In this lecture from the NSCA's 2014 National Conference, Coach Uyeyama talks about his career trajectory and how he, as a coach, ultimately got to game day in professional football

This article outlines some programming considerations for the recreational surfer.

The National Strength and Conditioning Association (NSCA) Foundation is proud to announce the recipients of its 2025 Research, Coaching Advancement, and Equipment Grants.