This excerpt from NSCA’s Essentials of Sport Science describes strength as a velocity-dependent concept.

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.

Acceleration and maximal velocity are two factors that are key for any position in football and can determine success in many situations out on the field. This article will review several aspects of sprint mechanics and training to enhance linear (straight-ahead) speed for football players.

Line drills can be an excellent way for athletes to improve their footwork, speed, and coordination. This article contains examples of several easy-to-implement line drills.

All sports nutrition professionals should be able to answer basic nutrition questions. However, athletes with complex nutrition issues should be referred to the appropriate resource as explained in this book excerpt.

Jessica Burke is an experienced collegiate strength and conditioning coach, most recently at Penn State University, as well as a personal trainer. She joins the NSCA Coaching Podcast with a unique perspective on the state of the strength and conditioning profession. Burke shares her professional path with NSCA Coaching and Sport Science Program Manager, Eric McMahon, including rewarding work as a personal trainer outside of her responsibilities on campus. This episode explores the value of work-life balance across the coaching profession. Should we debunk the “hustle culture” model of the strength and conditioning coach lifestyle? Listen to learn about this topic and more. Other topics covered include strength and conditioning coaches having a presence on social media and training foundations for youth and female athletes. You can follow Jessica on Instagram: @coachjburke and TikTok: @coachjburke | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article discusses how high-intensity interval training may be an effective metabolic training method for soldiers trying to maintain physical preparedness during deployment.

Learn about middle school and high school strength and conditioning from 2022 NSCA Coaches Conference presenter Elton Crochran. Coach “Croc” shares his story about transitioning from collegiate strength and conditioning to his work as the Strength and Conditioning Coordinator at Randolph Field School District in San Antonio, TX. Crochran is currently the Head Strength and Conditioning Coach at Veterans Memorial High School. He talks about his hands-on coaching session from Coaches Conference, as well as developmental milestones across key stages of long-term athlete development. Find “Coach Croc” on Instagram: @ecrock2 or Twitter: @TheCrocShow| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

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

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.