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.

The ketogenic diet, while controversial and a highly polarizing subject, has demonstrated promise as an alternative dietary strategy for weight management.

This column from the TSAC Report explores the impact of physical fitness and cardiovascular disease risk factors among firefighters and law enforcement officers. Visit NSCA online to learn more about tactical fitness.

This article in NSCA Coach shares exercise science comparisons between photobiomodulation therapy and cryotherapy. Visit us online to learn more on muscle recovery and red light therapy.

This article looks to explain why law enforcement recruits have higher incidences of lower extremity bone stress responses and stress fractures. It also explores injury mitigation pathways to increase the graduation rates among law enforcement academies.

This article provides a discussion around the evidence on creatine timing and supplementation.

Kevin Neeld, Head Performance Coach of the Boston Bruins National Hockey League (NHL) team, joins the NSCA Coaching Podcast to share about strength and conditioning practices in the NHL. Neeld connects with NSCA Coaching and Sport Science Program Manager, Eric McMahon, on his path to working in professional hockey, the involvement of strength and conditioning at the annual NHL Draft Combine, and the partnership between the Strength and Conditioning Association of Professional Hockey (SCAPH) and the NSCA. The discussion includes perspectives for aspiring coaches about working in professional hockey, on-ice and off-ice training, and the recent growth of performance staffs. Connect with Kevin on Instagram: @kevinneeld or Twitter: @KevinNeeld| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This book excerpt describes field methods for assessing body composition that are portable and easy to use for assessment of several people in a short time period.

This excerpt from Strength Training briefly discusses glycemic index and glycemic load.

This article will present a sample program that was implemented successfully by a group of older women in competition, and discuss the general exercise principles utilized to increase BMD in postmenopausal women.