This article is part of a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.

This article breaks down youth training. To develop athleticism for youth, coaches should follow the C.O.R.E. principles: context in which to apply movement patterns, opportunities to develop proper movement, recognition of physical attributes required, and environments in which youth explore movement.

The purpose of this article is to provide education surrounding the importance of recovery in tactical populations, identify key aspects of the mental recovery process, and identify strategies Tactical Strength and Conditioning Facilitators® (TSAC-F®) can implement to promote mental recovery when working with athletes.

Christina Rasnake, Director of Sport Science and Analytics at the University of Delaware, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about the budding future of sport science in college athletics. Topics under discussion include the staffing of sport science initiatives, effective communication across departments, and how technology and wellness surveys can support actionable change in the coaching process. Find Christina on Twitter: @Coach_Raz26 | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to review the related literature that has explored the influence of resistance training programs on the onset of fatigue and muscular power as it relates to non-contact high-intensity intermittent sports, in order to provide suggestions for creating same-day training programs.

The purpose of this article is to discuss the different opinions regarding the validity of early sport specialization as opposed to diversification, specifically the effect these two methods have on injuries, motor development, skill acquisition, and social and psychological aspects.

This article highlights the scientific evidence on exercises like the seated leg extension, leg curl, and adduction machines to highlight their potential benefits on enhanced performance and potentially reducing injury risk.

The purpose of this article is to help bring awareness of athletic recovery by useful fatigue monitoring and managing tools, such as external and internal load examples.

This book excerpt is an overview of the fundamentals to sprinting mechanics and technique. It also covers starting, acceleration, drive phase, recovery phase, and deceleration.