This is an excerpt from NSCA's Essentials of Sport Science by NSCA -National Strength & Conditioning Association, Duncan N. French & Lorena Torres-Ronda.

The purpose of this article is to discuss the different opinions regarding the validity of early sport specialization as opposed to diversification, specifically the effect these two methods have on injuries, motor development, skill acquisition, and social and psychological aspects.

The aim of the get up and go drill for rugby players is to develop the ability to accelerate from a low body position, which is especially important when accelerating into a potential contact situation.

The administration and measurement of youth power development has become more available and familiar with the advances of technology. This excerpt introduces varieties of testing and administration practices to assess power in the youth population.

This article briefly reviews the importance of the stretch-shortening cycle in power production.

Due to the principle of specificity, training should be tailored to the goal of the lifter in terms of the prioritization of strength, hypertrophy, health, and functional outcomes. If the goal is muscular hypertrophy, it may be beneficial to vary the repetition range, and to utilize a variety of loads and loading strategies in the pursuit of maximizing hypertrophy.

This episode unites strength and conditioning perspectives across three continents. David Joyce and Dan Lewindon, the co-editors of High-Performance Training for Sports, discuss their new book, including the high-caliber list of expert contributors from around the world. Discussion centers on the expansion of performance environments to include new perspectives, and the increased need for professional collaboration to deliver maximally effective training programs. Learn about “Zombie Killers,” as Joyce and Lewindon share with NSCA Coaching and Sport Science Program Manager, Eric McMahon, in an episode that provides insight into everyday coaching practices. Find David on Twitter: @DavidGJoyce | Find Dan on Twitter: @DanLewindon | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

After almost leaving the profession entirely, Ashley Kowalewski landed her role as an Assistant Strength and Conditioning Coach at the prestigious Louisiana State University. Listen as she recounts the strength and conditioning coach who inspired her as a high-level athlete at Oklahoma State University, diverting her path away from pursuing a physical therapy career. Explore how her early experience as an NSCA intern and working with adaptive sports under the United States Olympic & Paralympic Committee expanded her network and strengthened her coaching. Discover where to tap into access points that can build mentors in your corner and the importance of being relationship-oriented in a field where collaboration is key. Kowalewski also speaks about checking her ego after a difficult career experience and the challenge of starting again at the intern level. Learn her guiding principle of providing over proving and how high-quality leadership can elevate a program’s impact and staff longevity. Connect with Ashley on Instagram at: @ashleykowalewski or by email: ashk@lsu.edu | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs

This article in NSCA Coach shares a research-driven framework for dryland training in competitive swimming. Visit us online to learn more on sport performance and exercise science.

To apply performance enhancement and injury prevention practices employed by today’s professional and collegiate athletics to the Army, a restructuring of training paradigms needs to be implemented across the force.