The third and final article in this series will introduce the practical and technical elements of heart rate variability (HRV) monitoring in greater depth and detail.

The research reviewed in this article provides a baseline snapshot of clinically-relevant tools to screen, diagnose, and provide treatment that can improve behavior surrounding sleep, as well as quantity and quality of sleep in occupational firefighters.

It is apparent that speed plays a vital role in successful baseball performance. Because of the short distances involved in the game, players rarely, if ever, achieve maximum speed and in actuality, it is acceleration that plays a much greater role in baseball.

Check out NSCA's featured videos and collection of video resources.

This book excerpt reviews the psychological principal of the self-determination theory (SDT) and its role in motivation and how this can be used in a tactical setting.

This excerpt from Developing the Core gives a quick look into why a stable trunk is so important for swimming athletes.

Lyndie Kelley, Coordinator of Strength and Conditioning at the University of New England (UNE), talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about her journey from athlete to strength coach at UNE. Topics under discussion include coaching and mentoring a variety of athletes and students, finding creative solutions for things and being resourceful at the Division III level, and having a fully integrated team from the athletic staff all the way to the non-athletic administration. Find Lyndie on Instagram: @noreaster_strength | Find Scott on Instagram: @coachcaulfield

Adam Ross, Chair of and an Assistant Professor within the Kinesiology Department at Dallas Baptist University, talks to the NSCA Coaching Program Manager, Eric McMahon, about his unique dual role of strength coach and professor at the university. Topics under discussion include the NSCA Special Interest Groups (SIGs), building trust with athletes and students, and how his mentors and children have shaped his perspective of the field. Find Adam on Facebook: NSCA Baseball SIG or via Email: adamr@dbu.edu| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to discuss relationships between current fitness testing within the United States Army and its effect on overall tactical readiness.

This article walks personal trainers through how to present a program for the common goals and what to do if the process does not produce a sale.