The daily energy requirements of tactical personnel are highly variable, depending on gender, body composition, activities performed, age, and environmental conditions.

This article defines and reviews the allostatic load theory in tactical personnel.

This excerpt explains the importance of optimal nutritional strategies in conjunction with good sleep hygiene and how that can help mitigate damaging effects of deployment and shift work on performance.

This article summarizes the relevant literature regarding post-workout nutrient timing and its importance to training adaptations, specifically increasing skeletal muscle hypertrophy and replenishing skeletal muscle glycogen stores.

Duncan French, Vice President of Performance at UFC Performance Institute, and Bo Sandoval, Director of Strength and Conditioning, talk to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about how they holistically support around 570 Ultimate Fighting Championship (UFC) athletes and push the boundaries of the UFC Performance Institute in Las Vegas. Topics under discussion include staying open to new ideas and perspectives, being adaptable as a coach, and the different ways they support their athletes. Find Duncan on Twitter: @DuncanFrench or Instagram: @dr_duncan_french | Find Bo on Twitter: @olystrength or Instagram: @bo.sandoval | Find Scott on Instagram: @coachcaulfield

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 excerpt from Developing Speed discusses the various start patterns that exist and how to include them in a speed development program.

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

Kurt Hester, Head of Sports Performance at Louisiana Tech University, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from weight lifting at 12 years old to training collegiate football athletes today. Topics under discussion include starting a business, pioneering strength and conditioning, and the interview process. Find Kurt on Twitter: @thekurthester or on Instagram: @hesterkurt | Find Scott on Instagram: @coachcaulfield

Deceleration in court and field sports, such as football and soccer, is an important component of speed and agility. This book excerpt looks at how to train for effective deceleration.