This excerpt from NSCA’s Essentials of Sport Science describes strength as a velocity-dependent concept.

This is an excerpt from NSCA's Essentials of Sport Science by NSCA -National Strength & Conditioning Association, Duncan N. French & Lorena Torres-Ronda.

While a basic fitness assessment will always be a part of a comprehensive client assessment, there is an array of more sophisticated tests and measures that are available to the personal trainer today.

The NFL Combine is a week-long evaluation process that allows NFL scouts, coaches, general managers, and owners to get an up-close and personal evaluation of the talent that comprises the given year’s draft class. This is a day-by-day program outline to maximize results and effort for the NFL combine.

This article provides essential guidelines for athletes beginning a strength and conditioning program that ensures safety and productivity of the training sessions.

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.

The purpose of this article is to identify and discuss the difficulties that can arise when performing physiological-based research with firefighters.

This article discusses performance under stress, as well as factors influencing this performance in tactical personnel.

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.

Supplements that claim to boost nitric oxide have not been proven to be all that effective since the actual conversion in the blood cell is rather complicated and requires oxygen, which is usually in short supply during exercise or at high altitude. So how does an athlete boost their nitric oxide production?