This excerpt briefly discusses components of interval workouts, including recommended volume and intensity, to increase overall endurance in athletes.

The NFL Combine is a week-long evaluation process that allows NFL scouts, coaches, general managers, and owners to get an up-close and personal evaluation of the talent that comprises the given year’s draft class. This is a day-by-day program outline to maximize results and effort for the NFL combine.

This article is part of a new, continuing series on practical, evidence-based approaches to reducing the risk of injury while developing tactical strength and conditioning.

As a Strength and Conditioning Coach with the US Olympic & Paralympic Committee (USOPC), Jared Siegmund prepares athletes for the apex of achievement and perseverance. Siegmund shares that, contrary to public belief, the Olympic competition cycle is not every four years — Team USA athletes face fierce competition in World Series events along the way to qualify. He also speaks to the creativity required to coach Paralympic athletes, where missing limbs create unique biomechanics and hearing or visual impairments impact cueing. Siegmund touches on his principles-based programming architecture, sample adaptations, and USOPC’s interdisciplinary support team. Additionally, Siegmund and McMahon discuss the new generation of modern athletes who are more in tune with data and can control their preparation experience. The discussion concludes with the importance of a growth mindset and getting out of your comfort zone, as well as opportunities to enter elite sport. Connect with Jared on Instagram at: @jaredsiegmund_ or LinkedIn: @jared-siegmund | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs

Planning and designing training programs for a new group of athletes (e.g., a new recruiting class or a new coaching job) can be problematic without a base level understanding of the athletes’ current skill levels. This article describes one system that can be used to determine an athlete's self-confidence on different exercises.

This article seeks to provide some insight to optimal biomechanics in running technique and why normal gravitational techniques may not suit tactical athletes while load-bearing.

Sam Melendrez, full-time strength and conditioning coach for Discovery Canyon Campus High School, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about the value of strength and conditioning coaches at the high school level. Topics include advice for those who are interested in strength training youth and high school athletes, programming fundamentals, and the value of applying classroom management skills in the weight room. Find Sam on Twitter: @sammelendrez2 | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Hear from Lacey Jahn, Head Strength and Conditioning Coach for the United States Marine Corps East School of Infantry. Jahn shares her unusual path into strength and conditioning with NSCA Coaching and Sport Science Program Manager, Eric McMahon, including stops in curriculum development and working as a lifeguard. Learn more about tactical strength and conditioning jobs, athletic qualities as they relate tactical performance in the military, and the how to approach attending strength and conditioning education events as a young coach. You can reach out to Lacey on Instagram: @laceylyrla | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article presents information about assessing speed and agility in a controlled environment with a test that is similar to the actual demands of a specific sport.

The purpose of this article is to discuss creatine supplementation for athletes by addressing supplementation for athletic performance, recovery, cognition, brain function, safety, contraindications, and other special considerations.