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.

Here are more reasons why award-winning Certified Strength and Conditioning Coach Scott Sahli is happy when kids are involved in multiple sports programs and supervised by certified strength coaches.

NSCA-Certified Personal Trainers® (NSCA-CPT)® are health/fitness professionals who use an individualized approach to train clients for the primary goal of improving their personal health and fitness. Learn more about becoming a certified personal trainer with the NSCA's CPT certification! Visit NSCA.com for information on personal trainer jobs, personal training certifications, personal trainer insurance and continuing education as you pursue one of the best personal trainer certifications.

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.

Dr. Josh Secomb, lecturer in exercise and sport science (strength and conditioning) at the University of Newcastle, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about being a self-aware and authentic coach. Topics under discussion include finding new areas to employ different skillsets as practitioners, the value of training progressions and understanding your athletes, and his unique opportunity to research and coach surfers. Find Dr. Secomb on Twitter: @37Seco | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article provides an overview of how information collected through a performance-monitoring program can be used to assist in the development of a sliding sport talent identification program.

This article provides a review of sessions presented at the 2019 National Basketball Strength and Conditioning Association (NBSCA) Performance Summit including strength and conditioning methods and coaching strategies, in-season strength programming, force plate assessment, injury prevention, and player monitoring.

This article addresses various aspects of overtraining and overreaching, including the signs and symptoms, preventative supplementation, and the recovery process.

Ultra-endurance performance is likely determined by quality of physical preparation, effective nutritional management, ability to cope with the environmental stressors, psychological resilience, and recovery capacity.