The catecholamines—primarily epinephrine, but also norepinephrine and dopamine—are secreted by the adrenal medulla and are important for the acute expression of strength and power because the hormones act as central motor stimulators and peripheral vascular dilators to enhance enzyme systems and calcium release in muscle.
Although it may be possible to increase skeletal muscle levels of carnitine by combining it with relatively large amounts of carbohydrates repeatedly throughout the day, or by taking it with choline, there is limited data that shows that carnitine is a fat-burner that results in significant reductions in fat mass.
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.
Eating the right types of food, in the right amounts, and at the right times are the keys to staying healthy and performing well. But does it have to be so confusing and complicated? Do we have to dissect every little detail to maximize performance? What if we could instead find the few specific changes that lead to the greatest results in each of our clients?
This article seeks to help coaches understand the demands of Brazilian jiu jitsu on athletes, as well as appropriate training strategies to improve performance potential.
This article aims to offer guidance on the effects of certain medications, as well as help personal trainers and their clients in the consultation process with qualified physicians and pharmacists.
Trainer Tips are infographics designed to help you, an NSCA professional, educate clients and promote your services. These member-only resources can be used for client education, motivation, and promotion.
There are many factors, both personal and environmental, that play a role in the success of a training and diet program for an individual client. This article looks at the factors to be aware of and some solutions to finding the best fit program for an individual client.
Personal trainersExercise ScienceNutritionProgram designClient Consultation|Assessment
This article features the recharge skate—an in-season hockey conditioning drill, designed by the authors, to maintain hockey-specific energy system fitness throughout the competitive season.
CoachesExercise ScienceProgram designTesting and Evaluation