The purpose of this article is to provide personal trainers an overview of training clients for their first Spartan Sprint event.

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

In this video from the NSCA's 2014 National Conference, Bret Contreras discusses how moving horizontally - quick breaks and agility drills vs. hopping - can result in explosive acceleration and speed.

Jacob Wilson, PhD, CSCS,*D, presents at the NSCA's 2013 National Conference on the controversial topic of blood flow restriction training and its effects on strength and hypertrophy

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

Michael Doscher from Valdosta State University talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about how to thrive for many years at one institution and work well with those around you, as well as how strength coaches should be evaluated.

This episode features Glenn Revell, the Head Strength and Conditioning Coach at Central Catholic High School in San Antonio, TX. “Coach Rev” shares insights and advice with NSCA Coaching and Sport Science Program Manager, Eric McMahon, from his transition to high school strength and conditioning from the college setting. This is a great episode for all coaches, teachers, and leaders to realize their value and impact within their community. Tune in to learn about important areas to develop knowledge and skills outside of the traditional strength and conditioning education. Find Glenn on Twitter: @glennrevell | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

In this hands-on lecture from the NSCA's 2014 Movement Performance Clinic, Jay Dawes demonstrates stretches and mobility work that are designed to emphasize good postural control and good postural stability.

In this hands-on lecture from the NSCA's 2014 Personal Training Conference, Nick Tumminello demonstrates his Top 20 mobility and activation exercises and explains why they are in his toolbox. Nick talks about how it is important for trainers to sort through the hundreds of available exercises to better serve their clients.

The Science and Application of High Intensity Interval Training