Tom Williams’ journey to Head of Performance and Sport Science for Major League Soccer (MLS) powerhouse, the Los Angeles (LA) Galaxy, began at a crossroads: pursue traditional coaching or medical pathways. As a soccer “Swiss Army knife,” he embraced early sport science alongside coaching, building a career defined by collaboration and innovation. At the Galaxy, Williams is part of a web of support that uses rich data storytelling tailored to stakeholders and players, guiding decisions and infusing value in every encounter. This system drives their three key pillars: winning championships — including their recent record-breaking sixth MLS Cup — developing a robust academy pipeline, and leading innovation. In MLS’s “cultural melting pot,” Williams balances diverse backgrounds and short-term demands like fixture congestion while employing sustainable long-term strategies. With a unique full-time cognitive department and creative approaches like dodgeball warm-ups, he combines trust and ingenuity to elevate performance and presents a blueprint for those exploring emerging sport science. Reach out to Tom on LinkedIn: @tom-williams and X/Twitter: @Williams26Tom | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Did you know MLS has a newly mandated Certified Performance and Sport Scientist® (CPSS®) role? Engage with NSCA’s Pro Sport Partner, the Professional Soccer Performance Association (PSPA), on social media to learn more: Instagram: @pspa_performance X/Twitter: @PSPA_perform LinkedIn: @professional-soccer-performance-association

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.

Coaches can also benefit from understanding the concepts of positive and negative reinforcement and positive and negative punishment as they relate to motivation. Although coaches use a mixture of both reward and punishment, using rewards and a positive approach is arguably the best approach because it focuses on what athletes should do and what they did right.

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.

Colorado Springs, CO - The National Strength and Conditioning Association (NSCA) is honored to announce the celebration of the 25th anniversary of NSCA Japan, the NSCA’s longest tenured affiliate partner.

Are you a young professional looking to broaden your knowledge and career horizons by working with a professional strength and conditioning coach? Apply for the NSCA Foundation Assistantship!

The “coach’s dozen” is a collection of 12 principles that will help youth coaches, physical education teachers, and pediatric exercise specialists maintain inclusive, sustainable, and enjoyable participation in exercise and sport.

This article will discuss specific measures of stress that can be monitored, as well as coping skills to mitigate the negative effects of stress.

This article from Personal Training Quarterly looks at training plans based on menstrual health to help personal trainers better support female clients. Visit NSCA online to read more on athletic performance, health, and fitness.

Youth practitioners need to be aware of the competing demands on young athletes’ lives in order to help them effectively balance these demands. Wellness provides a reference point that can be used to better understand the competing demands placed on youngsters by identifying the six dimensions of wellness.