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.

Richard Howell, Head Strength and Conditioning Coach for the Indianapolis Colts National Football League (NFL) team, talks to the NSCA Coaching Program Manager, Eric McMahon, about his impressive 21 years with the organization. Topics under discussion include going from pre-medical to strength coach, building relationships with athletes and staff members, and how technology provides hard numbers for sport coaches to understand stress management. Connect with Richard through email: Richard.howell@colts.nfl.net | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article is the second of a series of articles on strength training practices for rowing and seeks to provide information on periodization strategies for rowers of different competitive levels and schedules, as well as include sample periodization plans and sample programs.

Potentially, an instability training program that first involves static balance and then progresses to dynamic balance activities would improve intrinsic balance. This improvement in balance would increase movement confidence, releasing the neuromuscular system from a stiffening strategy to more unimpeded motion, force, and power development.

This article seeks to provide a sample periodized program plan that will progress wrestlers for multiple years while considering the diverse individual needs and weight class-specific goals.

This Personal Training Quarterly article reviews the farmer’s walk exercise and how to incorporate it safely into a client’s exercise program. Visit NSCA online to read more on fitness news and exercise research.

This article will explain the interference effect and provide a rationale for why low-intensity steady-state (LISS) cardiovascular training may be a useful tool for those interested in improving their body composition.

The path to actual integration of mental and physical training for the tactical athlete is paved with growing empiricism. The current challenge is to sustain creative development of functional approaches and demonstrate that integration can deliver potential benefits.

Hydration, footwear, and exercise frequency are only a few of the essentials to safe participation in cardiovascular activity. Make sure to include all six essentials in your program to ensure safe participation.