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.

Traditional lower-body resistance exercise alone may not be an optimal means of developing agility. Further, the effectiveness of straight-sprint training on agility performance has not been well established. In contrast, jump training, including loaded jump squats and horizontal and lateral jumps, holds promise.

Veteran Strength and Conditioning Coach for the Miami Heat of the National Basketball Association (NBA), Bill Foran, joins the NSCA Coaching Podcast and reflects on a more than four-decade coaching career. Foran discusses his early beginnings teaching elementary school physical education, with NSCA Coaching and Sport Science Program Manager Eric McMahon, and what led him towards pursuing collegiate and professional sports strength and conditioning. Foran shares stories of resourcefulness from the early days, before the strength and conditioning field was formally defined, up to more recent years using sport science technology and foundational core principles to inform training practices for elite NBA players, such as Lebron James and Shaquille O’Neal. This episode is informative for strength and conditioning coaches at any level, emphasizing the importance of building lasting relationships with athletes and head coaches, as well as taking advantage of all that the NSCA has to offer. Reach out to Coach Foran at by email at bforan@heat.com | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs Learn more about NBA strength and conditioning with the National Basketball Strength and Conditioning Association (NBSCA), an Official Sport Partner of the NSCA.

This article highlights the scientific evidence on exercises like the seated leg extension, leg curl, and adduction machines to highlight their potential benefits on enhanced performance and potentially reducing injury risk.

This excerpt from Developing Power explains how to use bands for variable resistance training.

Listen in as Angelo Gingerelli, Assistant Strength and Conditioning Coordinator at Seton Hall University in New Jersey, tells the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about his journey in the strength and conditioning profession. Topics include working collaboratively as a strength and conditioning staff, positive social media practices, taking on additional staff responsibilities as an adjunct professor, and working with endurance athletes. You can reach out to Coach Gingerelli on Instagram: @finish_strong_book| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Matthew Ibrahim, Co-Owner of TD Athletes Edge, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about using setbacks as a learning opportunity. Topics under discussion include creating a holistic approach to a client’s training by collaborating with other professionals, and the importance of deceleration technique and eccentrics in his programs for skill acquisition. Find Matthew on Instagram: @matthewibrahim_ | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This NSCA Coach article explores how combining strength and plyometric training can improve volleyball hitters’ vertical jump and power. Visit NSCA online to read more on athletic performance and sports science.

This article discusses using the principle of specificity as an important component in tactical training programs to enhance performance, decrease injuries, and improve functional longevity of a tactical athlete.

Dave Terry, Associate Director of Sports Performance at Georgetown University, talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his time at Georgetown and the value of mentorship. Topics under discussion include building the intern program, creating relationships with the athletes, and different ways to think creatively, learn, and grow as a strength coach. Find Dave on Instagram: @daveterry16