Hear from Lacey Jahn, Head Strength and Conditioning Coach for the United States Marine Corps East School of Infantry. Jahn shares her unusual path into strength and conditioning with NSCA Coaching and Sport Science Program Manager, Eric McMahon, including stops in curriculum development and working as a lifeguard. Learn more about tactical strength and conditioning jobs, athletic qualities as they relate tactical performance in the military, and the how to approach attending strength and conditioning education events as a young coach.
You can reach out to Lacey on Instagram: @laceylyrla | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs
The NSCA is proud to name 42 new strength and conditioning coaches who have earned the prestigious Registered Strength and Conditioning Coach® Emeritus (RSCC*E) designation in 2025
This infographic highlights an investigation into the relationship between joint-based biomechanical variables in cutting and performance outcome during change-of-direction.
CoachesExercise ScienceTesting and EvaluationInfographicsChange-of-DirectionBiomechanicsGround Contact TimeHip FlexionForce Plates