Two factors that determine running speed are stride cadence and stride length. Because athletes propel themselves forward only when their foot is in contact with the ground, the stance phase of the running stride should be the focus of speed enhancement programs.

This NSCA Coach article provides a proposes a framework for standardizing SEB resistance training based on principles of kinetic and potential energy. Visit NSCA online to read more on exercise science and sport performance.

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.

This excerpt from Developing Speed describes an agility drill that aims to develop change of direction.

This excerpt from Developing Speed describes an agility drill that aims to develop acceleration and defensive positioning.

This excerpt from Developing Speed demonstrates a fun drill aimed to develop the ability to make a cut step in response to a stimulus and to accelerate from this direction change.

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

While analyzing the speed requirements of different sports may, at first, seem to be a massive challenge, asking a few key questions can make the task much simpler.

This article discusses motivation, self-efficacy, and barriers to exercise specific to law enforcement officers. Visit NSCA online to learn more about tactical performance and occupational fitness.