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.

There is a sound theoretical rationale supporting a potential role for muscle damages in the hypertrophic response, but a cause-effect relationship directly linking these gains to muscle damage is yet to be established. If such a relationship does in fact exist, it is not clear as to what extent of damage is optimal for inducing maximum muscle growth.

Allen Hedrick provides a detailed introduction to launching a successful career as a strength and conditioning coach. If you're looking to become a strength coach, or are interested in learning more about this competitive yet fulfilling career, read this article. From obtaining the right degree(s) to providing appropriate references, Coach Hedrick's words provide insight into building a long-lasting strength and conditioning career.

It has been said that power lies within the transverse plane, but actually the frontal plane foot motion is what drives the transverse plane. In this session from the NSCA’s 2016 Personal Trainers Conference, Emily Splichal reviews frontal plane foot movements and how they are coupled with transverse plane rotations of the lower extremity.

In this lecture from the NSCA's 2014 TSAC Conference, Katie Sell talks about the unique demands and skills required of wildland firefighters. Because wildland firefighters are involved in many different disciplines, Katie stresses the importance of fitness for not only job performance, but survival.

There's risk in every business, but fitness professionals can often face higher risk than most. While personal trainer insurance can offer solid protection, fitness professionals can best protect themselves by understanding the fundamentals of risk management as they apply within the realm of sports and fitness. In this article, global insurance firm Integro Entertainment & Sports offers tips on how to best protect yourself and your business, defines common insurance terms, and provides an overview to understanding insurance conditions.

Some research has found that static stretching can have detrimental effects on subsequent performance. This is not to say that static stretching should be eliminated from an athlete’s program, but it should be sensibly incorporated into the daily training regimen since chronic stretching can enhance the range of motion around a joint and potentially improve strength and power performance.

Jay DeMayo, strength and conditioning coach at the University of Richmond, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about training within a system but having flexibly, empowering athletes to make decisions in workouts, staying at one institution for 15+ years, books every coach should read, and knowing your role within the team setting.

It is no secret that it takes a lot to differentiate yourself in today’s competitive market. But what does it truly take for a fitness studio owner to thrive in this industry? What are the strategies necessary to deploy that get you to the next level?

Are you interested in pursuing a career in strength and conditioning research? Chad Kerksick, Assistant Professor of Exercise Science at the University of New Mexico, provides insight into some of the advantages and disadvantages of a career in academia. Kerksick talks about how to choose a path, and the different types of academic jobs available today.