This excerpt explains the role that lactate plays in exercise metabolism and how that information is useful for athletes to predict things like pacing, fitness, and efficacy of training programs.

Tactical athletes, due to the nature of their jobs, may have sleeping problems (such as falling asleep and/or staying asleep) which is indicative of poor sleep quality. This article shares sleep hygiene strategies that can help tactical athletes achieve better rest.

The purpose of this article is to review various gravitational running (GR) techniques from an evidence-based approach, then recommend whether to include GR techniques in the training of tactical athletes.

Live high/train low: what changes can be expected, what dose is required, and is it preferable to other training models for improving performance in endurance sports such as running, swimming, and cycling?

In this career series article, developing personal training skills to train special populations is discussed; it includes starting out as a novice through the expert level.

This brief excerpt breaks down agility into different target movement patterns to help develop an effective agility and quickness program.

The purpose of this article is to give an overview and theoretical framework on the concept of periodized nutrition—with an emphasis on adequate carbohydrate intake to enhance performance.

The purposes of assessment are to gather baseline data and to provide a basis for developing goals and effective exercise programs. Gathering and evaluating the various pieces of information give the personal trainer a broader perspective of the client. The process and the data collected assist the trainer in identifying potential areas of injury and reasonable starting points for recommended intensities and volumes of exercise based on the goals and fitness outcomes.

Understanding how the body adapts to the overload of aerobic exercise is critical to designing effective exercise training programs, monitoring exercise responses and progress, and assessing training outcomes.

This article aims to provide a good understanding of sleep health and the way it affects high performance populations.