This article briefly explains the two principles necessary for muscle growth.

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.

Few strength coaches have shaped sport performance like Al Vermeil — the only strength coach to earn championship rings in both the National Football League (NFL) and National Basketball Association (NBA). In this Gatorade Performance Partner Special Episode, Vermeil shares how a career built on explosiveness, adaptability, and relentless curiosity has transformed teams at every level. From advancing plyometrics and Olympic lifts in the 1970s to creating the performance pyramid and the innovative “time machine” testing system, his methods have influenced generations of coaches and athletes worldwide. Known for blending timeless principles with fresh, actionable ideas, he explains how mechanics, group management, and collaboration create consistent results and lasting trust. Along the way, Vermeil offers rare perspectives on coaching longevity, revealing how his adaptability and curiosity have kept him learning — and lifting — into his 80s. Gain practical insights to keep explosiveness central, integrate performance science, and strengthen your long-term coaching impact. Reach out to Coach Vermeil by email at: a60vermeil@sisna.com | Email Jon Jost at: jonathan.jost@pepsico.com | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs. This special episode is brought to you in part by Gatorade Performance Partner. Learn more and join their community at GatoradePerformancePartner.com.

NSCA Member Spotlight: Diane Homan shares her journey from club volleyball to coaching youth and professional athletes, built on NSCA credentials and community.

This article provides a discussion around the evidence on creatine timing and supplementation.

Maria Mountain demonstrates of an off-ice agility cone drill to help hockey players work on multidirectional transitions using forward, backward, and lateral crossover patterns.

This infographic shows the effects of sprint specific training, both forward and backward, and its relation to speed and power output.

Feeling uneasy about asking for a raise? Discover practical strategies to showcase your worth in strength & conditioning and build a solid case for better pay.

This excerpt provides a brief snapshot of the use of carbohydrates in resistance training exercise sessions.

This article explores what a facility-level culture may look like, identifies some of the expected benefits of purposely developing that culture, and discusses some misalignment between what coaches say they want the culture to feel like and the message the athletes are likely to receive.