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.

There is a formula for attracting more clients into your gym and it can work for you if you commit to following the right steps. This article will explain how to set marketing goals, create a marketing action plan to bring in new clients based on your strengths as a trainer, provide examples of how to implement your marketing plan, and discuss why tracking the success of your plan is important.

The purposes of assessment are to gather baseline data and to provide a basis for developing goals and effective exercise programs. Gathering and evaluating the various pieces of information give the personal trainer a broader perspective of the client. The process and the data collected assist the trainer in identifying potential areas of injury and reasonable starting points for recommended intensities and volumes of exercise based on the goals and fitness outcomes.

This article reviews the basics of the Olympic lifts, including strength base, skill transfer, snatch progressions, and clean and jerk progressions. This article also covers several suggested practices for strength and conditioning coaches to fine-tune and progress learning and coaching of the lifts.

The purpose of this article is to present a sample injury prevention program with a specific emphasis on lower body posterior chain development throughout competitive and non-competitive college lacrosse seasons.

Tactical athletes, due to the nature of their jobs, may have sleeping problems (such as falling asleep and/or staying asleep) which is indicative of poor sleep quality. This article shares sleep hygiene strategies that can help tactical athletes achieve better rest.

In order to ensure consistent and accurate results, coaches must take certain steps to ensure proper data collection. It is also important to establish sound protocols prior to testing.

This Personal Training Quarterly article shares hospitality­driven approaches to help personal trainers build connections with clients. Visit NSCA online to read more on fitness, hospitality and health news.

This Personal Trainers Quarterly article promotes the benefits of walking to boost physical activity and improve overall health outcomes. Visit NSCA online to read more on health science and low-impact exercises.

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.