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.

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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.

The importance of recognizing a closed-chain activity lies in the fact that the motions of multiple joints are coupled. Weakness at any one joint will consequently limit performance of the entire movement.

This article provides a brief overview of literature where regional hypertrophy was reported. It also discusses the basic science and application of regional hypertrophy training.

This article explains Fartlek training as well as how it can be programmed and individualized for different clients.

This article discusses the three primary channels of marketing, the regular actions that drive results in each, and the purpose of said actions, for personal trainers to help build a solid marketing foundation for their fitness business.

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.

This article discusses the limitations and risks involved with artificial intelligence, such as ChatGPT, as a tool for personal trainers.

This article provides practical guidelines for limiting high-reward foods and demonstrates why minimizing high-reward foods is a simple and well-supported strategy for long-term adherence to a nutritional approach that emphasizes high-quality, nutrient-dense, lower calorie foods.