The purpose of this article is to help both personal trainers and clients with seven main concepts within exercise physiology that will improve training effectiveness and assist in explaining the body’s response to exercise.

Thadeus Jackson, Assistant Strength and Conditioning Coach of the Green Bay Packers National Football League (NFL) team, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about the importance of a support system in your career. Topics under discussion include the dynamics of working with professional athletes and how strategic data collection can make your organization better. Find Thadeus on LinkedIn: Thadeus Jackson | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Kurt Hester, Head of Sports Performance at Louisiana Tech University, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from weight lifting at 12 years old to training collegiate football athletes today. Topics under discussion include starting a business, pioneering strength and conditioning, and the interview process. Find Kurt on Twitter: @thekurthester or on Instagram: @hesterkurt | Find Scott on Instagram: @coachcaulfield

This PTQ article focuses on the use of the back squat along with innovative technology to measure velocity during lower body lifts. Visit NSCA online to read more on personal training news and athletic performance.

With the rapid development of technology, the daily demands for physical activity are significantly reduced. This article details four distinct phases for personal trainers to implement when working with clients coming from sedentary lifestyles.

This article provides a discussion around the evidence on creatine timing and supplementation.

Evidence suggests a positive relationship between physical activity, exercise, and mental health. Exercise as a treatment modality is now being considered alongside psychotherapeutic and pharmacological approaches, and the role of specifically trained exercise specialists and personal trainers is an important component of the multi-disciplinary team.

All sports nutrition professionals should be able to answer basic nutrition questions. However, athletes with complex nutrition issues should be referred to the appropriate resource as explained in this book excerpt.

This article will explain the interference effect and provide a rationale for why low-intensity steady-state (LISS) cardiovascular training may be a useful tool for those interested in improving their body composition.