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.

Dan Jahn, the owner of Maximum Sports Conditioning, talks to NSCA’s Coaching and Sport Science Program Manager, Eric McMahon, about cultural awareness for strength and conditioning coaches. Jahn discusses recent racial incidences related to coaches and athletes, and suggests ways that coaches and administrators can do better in promoting positive conversations around these difficult topics. Jahn also shares his experience as a private strength and conditioning business owner in the greater Seattle area and perspectives on being a well-rounded coach and mentor. Find Dan on Instagram: @daniel_jahn and follow the NSCA Diversity and Inclusion Committee on Facebook | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Learn about expanding developmental pathways and career opportunities within Major League Soccer (MLS) in this episode of the NSCA Coaching Podcast. The Charlotte FC Head of Performance, Adam Parr, shares his experience with NSCA Coaching and Sport Science Program Manager, Eric McMahon, including the key relationships between strength and conditioning coaches, sport scientists, and international influences on the growth of soccer within North America. As athletes today become more accustomed to data feedback on their performance, Parr explains the process of effectively embedding technology in the team setting. Listen in to learn more about how you can break into a growing area of the field in professional soccer. You can connect with Adam on Instagram: @aparrfitness or LinkedIn: @adamcparr| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to discuss the health and occupational implications of firefighters not currently meeting the National Fire Protection Association (NFPA) aerobic capacity recommendations.

This excerpt briefly describes key aspects of this nonessential amino acid including its effect on the body, efficacy, and adverse effects.

This article discusses how first responder organizations can optimize their training programs through scientific techniques, including the measurement of training load.

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

Paul Comfort, program leader for the Master’s degree in Strength and Conditioning at the University of Salford, talks to the NSCA Coaching Program Manager, Eric McMahon, about his desire to continuously learn through practical application and research in the field. Topics under discussion include creating the post graduate program for the University of Salford, being a founding member of the United Kingdom Strength and Conditioning Association (UKSCA), and the complexities of technology in the weight room. Find Paul on Twitter: @PaulComfort1975 or Instagram: @PaulComfort1975 | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The private sector is growing, and so is the competition. With low barriers to entry and clients cycling in and out of programs, you need a strong business strategy to stand out and build staying power. Gini Grimsley draws on her experience across commercial fitness and National Strength and Conditioning Association (NSCA) leadership to address top questions coaches are asking: Where is the smartest place to start? How do you set your rates? How do you grow a client base in a new community? Grimsley distinguishes between being certified and being qualified, noting credentials open the door while applied experience takes you further. She introduces a framework for “periodizing your paycheck,” reverse-engineering income goals into a viable revenue model. Grimsley also outlines how to integrate into established communities and balance hybrid in-person and online coaching. If you are exploring the private sector or refining your approach, gain practical strategies to find your niche and achieve career flexibility. Reach out to Gini on Instagram: @gdotgperiod, LinkedIn: @gini-grimsley-ms-cscs, or by email: trainwithgini@gmail.com | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Make sure your voice is represented in the profession. Join an NSCA Professional Development Group (PDG) to influence the resources and decisions that impact your segment of the field

The purpose of this article is to address the key elements when designing a training program for firefighters, provide evidence for utilizing circuit training, and suggest recommendations on how to incorporate circuit training into the training program.