This article will examine the physical demands of soccer players and discuss why repeated sprint ability (RSA) is considered highly important in the performance of these athletes.

This article examines how training the core and performance are connected. This article seeks to help propose how to best use the literature to maximize understanding and use of the current concepts.

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.

Antonio Squillante, a PhD candidate at the University of Southern California (USC) and the Weightlifting Special Interest Group (SIG) chair, talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about using weightlifting, not just the sport, as a means to build strength and power in athletes from the platform to the field. Topics under discussion include being involved with the NSCA through leading the Weightlifting SIG and teaching Exam Prep classes, moving from Italy to pursue his dream of coaching, and going back to school for his PhD. Find Antonio on Facebook: NSCA CSCS Exam Prep or NSCA Weightlifting SIG

Hear from Bri Kanz, Assistant Athletic Director of Sports Performance for Santa Clara University. Kanz connects with NSCA Coaching and Sport Science Program Manager, Eric McMahon, on key stops along her professional path, including her most recent position at Stanford University. Learn how injury inspired Kanz to pursue strength and conditioning, about her move to the West Coast, and her enthusiasm for Olympic sport strength and conditioning. Kanz shares her insight on what it takes to be an effective strength and conditioning coach and where she sees the field going in the future. Connect with Bri on Instagram: @brikanz| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Drew Hammond, Army Holistic Health and Fitness (H2F) Program Director at Fort Bragg, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about differences between tactical and collegiate strength and conditioning. Topics include the Army H2F Program, tactical athlete programming, and how to pursue military strength and conditioning positions. Find Drew on LinkedIn: Drew Hammond | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This excerpt from Strength Training, Second Edition briefly details hormones and their role in the human body.

This excerpt from the NSCA’s Essentials of Sport Science, discusses some of the benefits and validity of Global Positioning Systems (GPS) data.

Nearly all fitness professionals are forced to address low back pain (LBP) to some extent, regardless of the age or population with which they work. The purpose of this article is to shed light on contemporary research surrounding LBP.

With the current rise in overweight individuals, obesity, prediabetes, and diabetes, the role of qualified personal trainers is absolutely crucial for creating a more active and healthy society.