Periodization of training is based on the principle that different loads (e.g., light, moderate, or heavy) or power requirements recruit different types and numbers of motor units. Recruitment order is important from a practical standpoint for several reasons.

As the prevalence of disordered eating in sport continues to increase, sports dietitians and all medical personnel must learn to identify it properly and follow evidence-based practice, including sound judgment, when treating athletes with these issues.

Assessing clients is a vital component of the personal training experience. This article gives an overview of breathing mechanics and how to apply proper breathing exercises into a client’s assessment and program.

Strength coaches make up the foundation of the NSCA since its beginnings more than four decades ago and continue to drive our purpose and passion. Learn more about obtaining the acclaimed CSCS® certification, gain knowledge through NSCA's peer-reviewed journals, and get inspired by NSCA's coaching podcast. From tools and resources to thousands of top professionals across the globe, you've got the support and the credibility of an association dedicated to your profession.

Whole body cryotherapy through cold air exposure has been used to accelerate recovery from exercise-induced muscle damage. Questions remain, such as: does cryotherapy work, is there a minimum effective dose, and if so, what is it?

This article outlines some programming considerations for the recreational surfer.

A common theme in tactical fitness is to train for the demands of the position. This begs the questions: what are the actual occupational physical fitness requirements of the position of a California patrol law enforcement officer and how might these inform programming for this population?

Built on scientific principles and evidence-based research, the NSCA’s Tactical Strength and Conditioning (TSAC) Practitioners Course is a foundational strength and conditioning program designed to provide tactical facilitators with the tools to decrease injury risk and increase longevity and effectiveness of tactical professionals.

This sample job description is intended to be used as a starting point for creating a job description that is appropriate for your situation.

This brief excerpt breaks down agility into different target movement patterns to help develop an effective agility and quickness program.