This article discusses the effects of instability on force and velocity throughout the body.

HRV is thought to provide objective insight into understanding fatigue, “trainability,” and “readiness” to perform in athletic populations. Evolving access to HRV data may enhance the understanding of individualized fitness and training responses in tactical athletes.

In this session from the 2016 NSCA Coaches Conference, the Sports Science and Performance Manager for the Seattle Sounders Major League Soccer (MLS) team, David Tenney, discusses the “high performance model” in the American elite sports environment. Tenney delves into how this model impacts hierarchy and daily decision making, as well as the obstructions that many organizations face, how this model can help to drive decision making and optimize training strategies, and the different strategies that can help make this happen.

Dr. Tim Suchomel, Assistant Professor at Carroll University and Wisconsin State Director for the NSCA, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about the emerging role of sport science in strength and conditioning. Topics under discussion include Suchomel’s growing involvement with the NSCA, as well as weightlifting derivatives and their benefits for more individualized performance adaptations. Find Dr. Suchomel on Twitter: @DrTSuchomel or Instagram: @drtsuchomel or NSCA Sport Science and Performance Technology Special Interest Group | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This excerpt from NSCA's Essentials of Tactical Strength and Conditioning explains the importance of wellness programs for tactical athletes.

Periodization of training is based on the principle that different loads (e.g., light, moderate, or heavy) or power requirements recruit different types and numbers of motor units. Recruitment order is important from a practical standpoint for several reasons.

Training to move heavy weight over a distance presents the participant with a unique set of physical challenges not typically seen in other training programs. However, there is a greater risk for injuries if appropriate training is not engaged in prior to the event.

The excerpt from Strength Training for Soccer describes the movements necessary for multidirectional speed.

The NFL Combine is a week-long evaluation process that allows NFL scouts, coaches, general managers, and owners to get an up-close and personal evaluation of the talent that comprises the given year’s draft class. This is a day-by-day program outline to maximize results and effort for the NFL combine.