This article seeks to help personal trainers understand the physiological effects of stress and helpful ways they can drive positive changes for their clients through exercise.

The purpose of this article is to examine the critical role of core stability in soccer performance.

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.

The purpose of this article is to identify considerations that are to be taken into account when designing and implementing an annual training program for firefighters, as well as to discuss strategies for implementation.

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.

This article dives into the extensive benefits of strength training for aging exercisers, emphasizing its positive effects on muscle mass, bone density, balance, and metabolic health.

This article discusses utilizing long term athletic development (LTAD) as a framework for accountability and explores the benefits personal trainers can use to measure success.

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

This article assessed the effectiveness of the Holistic Health and Fitness Lite (H2FL) pilot that integrates strength and conditioning coaches, dietitians, occupational therapists, physical therapists, and cognitive performance specialists into conventional units to provide holistic care for soldiers.