This Kinetic Select from Developing the Core reviews the effects of muscle activity when performing exercises on unstable surfaces.

Lanier Coleman coaches from a simple truth: intent drives intensity. Now in his role as Assistant Strength and Conditioning Coach for the National Football League (NFL) Jacksonville Jaguars, Coleman brings the same determination he embodied as a collegiate defensive lineman. He shares how early adversity shaped his standards, teaching him to lead with discipline, cultivate deeper relationships, and “build a fire” in every athlete he coaches. During his coaching tenure at Florida State University, mental and emotional endurance became cornerstones of team development — these are lessons he now carries into professional football. Coleman describes the shift from building collegiate foundations to coaching with precision at the NFL level, where he fine-tunes elite qualities to manage injury risk. He also stresses the importance of unified performance staffs to support athletes through this fast-paced and demanding sport. Gain inspiration to strengthen daily purpose, be a spark in your facility, and support athlete readiness across high-performance environments. Reach out to Lanier via Instagram: @l_coleman98 | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Join the NSCA Football Special Interest Group (SIG) and explore 24 other specialized communities designed to support your development on the Special Interest Groups page.

Mary Kate Feit, Assistant Professor and Associate Director of Strength and Conditioning at Springfield College, and Adam Feit, Coordinator of Physical and Mental Performance at Springfield College and Assistant Director of Performance Nutrition at Precision Nutrition, talk to the NSCA Coaching Program Manager, Eric McMahon, about being a married couple in the world of strength and conditioning. Topics under discussion include the unique positions they hold at Springfield College, how becoming parents has changed their perspective on coaching, and why diversity is so important for the future of the field. Connect with Mary Kate via email: mfeit@springfield.edu | Find Adam on Twitter: @Adam_Feit or Instagram @aefeit | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Through a well-designed resistance training program, firefighter recruits can gain the movement skills, confidence to exercise, and foundational strength/physiological adaptations that they need for a long and healthy career.

This article aims to bring awareness to the importance of sleep and recovery for first responders, as well as providing strategies to optimize sleep specific to their occupational demands.

The purpose of this article is to describe the cause of hamstring injuries in sprinters and present a biomechanical intervention, or drill, that can be used to prevent hamstring injuries while transitioning sprint athletes toward the utilization of frontside mechanics.

This article from Developing Agility briefly discusses the importance of age-appropriate speed and agility drills.

World renowned Olympic training coach, Dan Pfaff, discusses how coaches can become a better performance supplier when managing athletic injuries. Pfaff also explains how to reduce lost time in practice and competitions, as well as how to reduce acute and chronic injury factors.

Brice Long, Director of Human Performance Experience at O2X, talks to the NSCA Coaching Program Manager, Eric McMahon, about O2X’s holistic approach for fire, police, military, and federal agencies. Topics under discussion include the value of training as a firefighter, physical tests and assessments in the National Guard, and being diverse in your skill sets as a coach. Find Brice on Instagram: @o2xhumanperformance or Twitter: @o2xhp | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

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.