This book excerpt is from Developing Agility and Quickness, Second Edition and goes over change of direction drills to help with speed and power development as well as an athletes cognitive and decision making skills.

An organized, science-based, and evidence-based periodized program that is guided by capable and competent professionals is the most efficient and effective way to accomplish the task of returning from a shoulder injury to full active duty. The concepts of periodization paired with evidence-based strength and conditioning interventions provides the framework needed for tactical facilitators to accomplish this task.

Although it may be possible to increase skeletal muscle levels of carnitine by combining it with relatively large amounts of carbohydrates repeatedly throughout the day, or by taking it with choline, there is limited data that shows that carnitine is a fat-burner that results in significant reductions in fat mass.

Caitlin Quinn, Director of Performance for Toyota Racing Development talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about her start in the field of strength and conditioning with internships, her time at Florida State as a GA and Strength and Conditioning Coach, and her new position at Toyota. Topics under discussion include internships, GA positions, not letting people define you as a coach, and the athletes she works with at Toyota Racing Development.

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

Hear from Cristi Bartlett, Assistant Athletic Director and Director of Olympic Strength and Conditioning at North Carolina State University, about her path through the professional ranks from student to department head. Bartlett talks to NSCA Coaching and Sport Science Program Manager, Eric McMahon, about making moves in the field, seeking opportunities for growth, the current state of strength and conditioning coach salaries, and other areas that can be improved in the profession. Connect with Cristi on Instagram: @bartlettc42| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Two factors that determine running speed are stride cadence and stride length. Because athletes propel themselves forward only when their foot is in contact with the ground, the stance phase of the running stride should be the focus of speed enhancement programs.

This Personal Trainers Quarterly article presents protein dosing strategies to maximize wellness for the aging population. Visit NSCA online to read more on nutrition, health, and wellness.

This article discusses the effects of an increase or decrease in meal frequency, specifically in regards to metabolic rate and body fat loss.