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.

Marquis Johnson, Assistant Strength and Conditioning Coach with the Minnesota Vikings National Football League (NFL) team, and Bryan Doo, former Head Strength and Conditioning Coach of the Boston Celtics National Basketball Association (NBA) team and owner of Optimal Fitness, join as guests with the NSCA Coaching and Sport Science Program Manager, Eric McMahon. Also returning for this Gatorade Performance Partner collaboration episode is guest co-host Jon Jost, a 27-year veteran college strength and conditioning coach and the Team Sports Manager for Gatorade. Join this fun group of strength and conditioning coaches from across the industry as they discuss what it means to be successful, as well as how they are reshaping the different career paths within the field. Connect with Marquis on Instagram: @quis_fit | Reach Bryan on Instagram: @bdoostrength or Twitter: @bdoo22 | Email Jon at: jonathan.jost@pepsico.com | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs To learn more and join the Gatorade Performance Partner Community, visit GatoradePerformancePartner.com.

This article aims to provide a good understanding of sleep health and the way it affects high performance populations.

This article discusses the macronutrients and micronutrients that are in milk and provides information to help athletes better comprehend the benefits of consuming milk as part of their nutritional intake.

This article explores the possible causes of low back pain, as well as three potential strategies that a personal trainer may use to work with someone dealing with low back pain.

This article will discuss the balance between what an aspiring bodybuilder may expect from a personal trainer, what a personal trainer is able to provide, and how a personal trainer can be a valuable asset towards the aspiring bodybuilder’s development.

Robert Panariello, Chief Clinical Officer with Professional Physical Therapy and the Professional Athletic Performance Center, talks to the National Strength and Conditioning Association (NSCA) Head Strength and Conditioning Coach, Scott Caulfield, about education in the field, being a well-rounded coach to excel or compliment your career, and key things to remember in the strength and conditioning field.

There can be no doubt that protein is important and this article reviews the current research to help further understand the recommendations for protein intake.

As consumers embrace technology, they are also expecting that same incorporation of technology into their exercise programs. This article shares how some top trainers are meeting this need.

This article describes the transition from the Army Physical Fitness Test (APFT) to the Army Combat Fitness Test (ACFT), as well as the detailed events that make the ACFT.