The importance of recognizing a closed-chain activity lies in the fact that the motions of multiple joints are coupled. Weakness at any one joint will consequently limit performance of the entire movement.

An evidence-based movement assessment could hold Marines accountable for mobility and stability by systematically assessing movement patterns. This article (part three of a four-part series) explains one way that this could be accomplished.

This article highlights the benefits of exercise for adolescents with attention-deficit/hyperactivity disorder (ADHD). It also provides practical recommendations for high school strength and conditioning coaches working with ADHD student-athletes.

This article is the second of a continuing series that examines pertinent and recent tactical strength and conditioning research reviews.

Meet Tara De Leon, a former collegiate strength and conditioning coach who now works as a personal trainer in Edgewater, MD. De Leon shares insight with NSCA Coaching and Sport Science Program Manager, Eric McMahon, and episode co-host, NSCA Personal Training Program Manager, Blake Brightwell, on alternate routes for strength and conditioning coaches through personal training, group fitness, and private sector coaching. This episode discusses the “coaching identity” as it exists and impacts coaches’ beliefs across various stages of professional development. With the growth of the strength and conditioning field, De Leon challenges us to expand our thinking and perceptions around personal training, while holding true to our values and expertise as coaches. Regardless of your current role in the profession, learn more about how the NSCA can help you grow your career. You can connect with Tara on Instagram: @tara_de_leon_fitness or tara@edgewaterfit.com | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

It is important for tactical athletes to be aware of their fluid intake and hydration status when training for or performing job duties. This article explains several ways this can be accomplished.

This article presents ways to add variety to workouts using Bulgarian Bags as an alternative to kettlebells. It also provides an effective sample Bulgarian Bag program.

Knowledge of metabolic rate can help athletes as well as health-conscious people improve their exercise performance or obtain the fat-to-lean-mass ratio optimal for their personal situations. Two examples of how this works follow.