In this session from the 2015 NSCA National Conference, Nelson Ayotte—the Strength and Conditioning Coach for the St. Louis Blues National Hockey League (NHL) team—explains how to design and implement a specific energy systems program at the elite level. Ayotte demonstrates the characteristics of each of the three energy systems and their trainability, and explores how to understand the energy demands of a sport by analysis of its characteristics, competition intensity, and duration of efforts and recovery periods.

This is an excerpt from NSCA's Essentials of Sport Science by NSCA -National Strength & Conditioning Association, Duncan N. French & Lorena Torres-Ronda.

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

Mike Hill, Associate Athletics Director of Sports Performance at Georgetown University, talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from volunteer intern to director at Georgetown. Topics under discussion include being an integral, “off the bench” part of a team, what he looks for in new interns or new hires, and continuing education through reading and being a part of the NSCA’s Exam Development Committee. Find Mike on Instagram: @license_2_hill

In order to effectively prepare an ice hockey player for the season, it is necessary to have a thorough understanding of the specific demands of the sport.

This excerpt from Developing Speed looks at how a fundamental understanding of the biomechanical principles that affect speed can assist coaches and athletes in developing running speed.

Gain a thorough understanding of thoracic spine anatomy, the causes and effects of limited thoracic mobility, and the diverse strategies that may enhance thoracic mobility from the Arizona Diamondbacks Major League Baseball (MLB) Strength and Conditioning Team.

Hear from Cristi Bartlett, Assistant Athletic Director and Director of Olympic Strength and Conditioning at North Carolina State University, about her path through the professional ranks from student to department head. Bartlett talks to NSCA Coaching and Sport Science Program Manager, Eric McMahon, about making moves in the field, seeking opportunities for growth, the current state of strength and conditioning coach salaries, and other areas that can be improved in the profession. Connect with Cristi on Instagram: @bartlettc42| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Matt Frakes, Director of Sports Nutrition at Notre Dame Athletics, and Bryan Doo, former Head Strength and Conditioning Coach of the Boston Celtics National Basketball Association (NBA) team and owner of Optimal Fitness, join as guests with the NSCA Coaching and Sport Science Program Manager, Eric McMahon. Also returning is guest co-host Jon Jost, a 27-year veteran college strength and conditioning coach and the Team Sports Manager for Gatorade. This Gatorade Performance Partner Special Episode highlights the value of being an inclusive leader; the current level of support for diversity, equity, and inclusion (DEI) initiatives across the performance community; and how to foster inclusivity within your programs. Find Matt on Twitter: @SuperiorFrakes or Instagram: @superiorfrakes | Find Bryan on Twitter: @bdoo22 or Instagram: @bdoostrength | Find Jon via email: jonathan.jost@pepsico.com | Find Jon on Twitter/Instagram/Facebook: | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article discusses the importance and impact a qualified fitness professional on the fitness and readiness of soldiers for the United States Army.