Acceleration is the rate of change in velocity, so this phase of sprinting is critical for changing directions as rapidly and efficiently as possible. Optimal technique for linear sprinting in the acceleration phase involves four factors that maximize stride length and frequency.

The “coach’s dozen” is a collection of 12 principles that will help youth coaches, physical education teachers, and pediatric exercise specialists maintain inclusive, sustainable, and enjoyable participation in exercise and sport.

In this session from the 2015 NSCA National Conference, Charlie Weingroff discusses interventions based on the core foundations of movement, output, readiness, and sensory systems. Interventions are presented as an intersection between medicine, fitness, and science.

Drew Hammond, Army Holistic Health and Fitness (H2F) Program Director at Fort Bragg, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about differences between tactical and collegiate strength and conditioning. Topics include the Army H2F Program, tactical athlete programming, and how to pursue military strength and conditioning positions. Find Drew on LinkedIn: Drew Hammond | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Alex Calder, Head of Sports Science for the Houston Dynamo Major League Soccer (MLS) team, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about sports science data driving better decisions on and off the field. Topics under discussion include the importance of traditional strength training for soccer players, as well as, the variety of strength and conditioning opportunities there are to gain experience from at the high school, college, private, and professional level of sports. Find Alex on Twitter: @calder_05 or Instagram: @calder_05 | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This excerpt briefly explains programming agility sessions for lacrosse athletes.

The effects of alcohol on athletic performance vary depending on quantity, demographics, and type of exercise, making it difficult to determine specific recommendations. From an athletic performance standpoint, the acute use of alcohol can influence motor skills, hydration status, aerobic performance, as well as aspects of the recovery process.

Proper form and biomechanical execution of the squat has been a long-debated subject in the fitness and sports performance industries. The following article describes a method to help determine an individual’s preferred squatting foot position, setup, and depth based on their unique hip anthropometrics for smarter, safer, and more optimized squatting.

This article is intended to assist tactical facilitators in the construction of a well-designed tactical return to duty program to help combat against the musculoskeletal injury burden that exists within tactical professions.

From the Essentials of Strength Training and Conditioning, this book excerpt explains the various stages of tissue healing in the rehabilitation process.