This article explains the use of structured functional fitness programs for injury prevention and enhanced job performance in fire service personnel.

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

Caitlin Quinn, Director of Performance for Toyota Racing Development talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about her start in the field of strength and conditioning with internships, her time at Florida State as a GA and Strength and Conditioning Coach, and her new position at Toyota. Topics under discussion include internships, GA positions, not letting people define you as a coach, and the athletes she works with at Toyota Racing Development.

This article focuses on the requirements that must be met for sailors to pass a Physical Fitness Assessment (PFA), and resources the Command Fitness Leader (CFL) and tactical facilitator have at their disposal to assist sailors. In addition, an example program is provided to help support sailors struggling to meet PFA requirements.

This Personal Training Quarterly article presents time-efficient fitness strategies to maintain physical and mental health during early parenthood. Visit NSCA online to read more on nutrition, health science, and fitness news.

In this article, Mike Nelson addresses two stubborn myths associated with increased protein intake and negative effects: kidney issues and bone loss.

This article provides eight important considerations when designing a program to optimally build the glutes.

The purpose of this article is to identify and discuss the difficulties that can arise when performing physiological-based research with firefighters.

This article defines and reviews the allostatic load theory in tactical personnel.