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

This infographic shows the effects of sprint specific training, both forward and backward, and its relation to speed and power output.

This book excerpt discusses how to maximize sprint quality during training sessions.

When integrating resistance training, endurance athletes must ensure that the sessions or workouts are sequenced in the context of the overall workload. Giving careful thought to these factors when designing the training plan will increase the chances of success.

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.

Joe Kenn, MA, CSCS,*D, RSCC, spoke at the NSCA's National Conference about training and the impact of training in a fatigued state.

Contrary to popular belief, inflammation is the first stage in tissue repair, and it should be viewed and treated as such. This article will explain the physiological process of tendon tissue repair and compare the effects of various responses to tendonitis.

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.

This article explores the critical role of nutrient timing in optimizing energy levels, supporting recovery, and enhancing overall physiological responses.

High knee drills help develop coordinated front-side mechanics and are often used as part of a warm-up. This article details several high knee drills that you can use with your athletes.