The constant presence of technology can train the mind to be in a constant state of reactivity and unease. Personal trainers can help their clients improve performance by teaching them how to focus.

Patrick McHenry, Head Strength and Conditioning Coach at Castle View High School in Castle Rock, CO, and member of the NSCA Board of Directors, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about high school strength and conditioning and his growth in the NSCA from a volunteer to an NSCA Board mMember. Connect with Patrick on Twitter: @strengthcentral and Instagram: @ptmchenry | Find Scott on Instagram: @coachcaulfield and Twitter: @scottcaulfield

This book excerpt from Developing Agility and Quickness describes the windows of opportunity in youth athletes to time progressions in speed and agility training with their biological and chronological development.

This excerpt from Exercise Technique Manual for Resistance Training, Third Edition goes over the technique and execution in each phase of the push jerk.

This article builds upon two other client assessment tools (breathing and posture, as seen in Personal Training Quarterly Issues 5.3 and 6.1, respectively) and discusses ways to assess client movement.

Traditional lower-body resistance exercise alone may not be an optimal means of developing agility. Further, the effectiveness of straight-sprint training on agility performance has not been well established. In contrast, jump training, including loaded jump squats and horizontal and lateral jumps, holds promise.

The purpose of this article is to discuss the various types of low-impact activities and their associated cardiovascular and musculoskeletal benefits.

Take a deep dive into force plate research and trends with “Force Plate Coach”, Dr. John McMahon from the University of Salford in England. In this episode, John discusses his path from Royal Marine Commando into strength and conditioning and biomechanics teaching and research. Listen in as John connects with NSCA Coaching and Sport Science Program Manager, Eric McMahon, on the past, present, and future of force plates in sport and the ways we can improve our testing and evaluation of athletes. This episode mentions the following paper from NSCA’s Strength and Conditioning Journal: McMahon, JJ, Suchomel, TJ; Lake, JP, and Comfort, P. Understanding the Key Phases of the Countermovement Jump Force-Time Curve, Strength and Conditioning Journal 40(4): 96-106, 2018 Find John on Instagram: @forceplatecoach, on Twitter: @ForcePlateCoach, and on YouTube: @ForcePlateCoach| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of the following article is to discuss current interventions surrounding prevention of musculoskeletal injury and improved physical fitness across military, fire, and police populations.

This article discusses how personal trainers can utilize the strength zone training system in order to develop true full range of motion strength, and thus help clients perform better and further reduce injury risk.