This research review covers topics such as the effects of police officer equipment loads, military occupational specialties, and the effects of protective clothing and self-contained breathing apparatus for firefighters.

The purpose of this article is to provide the reader some direction and suggestions for how to make the transition to online personal training smooth and successful.

This article contains examples of how to periodize training programs to help aerobic endurance athletes reach their peak condition at the appropriate time of the year.

The administration and measurement of youth power development has become more available and familiar with the advances of technology. This excerpt introduces varieties of testing and administration practices to assess power in the youth population.

NSCA Tactical Program Managers, Jason Soileau (Military) and Mandy Nice (Public Safety), talk to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about supporting those in the tactical professions over the course of their careers. Topics under discussion include the U.S. Army Holistic Health and Fitness (H2F) program and developing a new tactical strength and conditioning program tool kit for public safety agencies. Find Jason and Mandy on Facebook: NSCA Tactical Strength and Conditioning SIG | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Bert Sorin, President and Co-Owner of Sorinex Exercise Equipment, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about Bert Sorin’s upbringing and his experience being a collegiate athlete, how Sorinex is contributing to the field, and how TSAC is continuing to grow and improve.

Acceleration and maximal velocity are two factors that are key for any position in football and can determine success in many situations out on the field. This article will review several aspects of sprint mechanics and training to enhance linear (straight-ahead) speed for football players.

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 features the recharge skate—an in-season hockey conditioning drill, designed by the authors, to maintain hockey-specific energy system fitness throughout the competitive season.

Law enforcement officers can experience psychological and physical stress in most of every part of their day, even starting from the first day of the academy. This article looks at Heart Rate Response in relation to stress, and interventions to manage stress through the academy.