Liane Blyn, Director of Olympic Sports at Appalachian State University and world record holding powerlifter, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about what she tries to impart to interns to prepare them for the field, how being a Certified Athletic Trainer (ATC) has benefitted her as a strength coach, and advice for up-and-coming strength and conditioning coaches.
HRV is thought to provide objective insight into understanding fatigue, “trainability,” and “readiness” to perform in athletic populations. Evolving access to HRV data may enhance the understanding of individualized fitness and training responses in tactical athletes.
TSAC FacilitatorsProgram designBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseasehrvMonitoring FitnessTraining LoadTactical AthleteTSAC
All fitness components depend on body composition to some extent, and the demands of many sports require that athletes maintain standard levels of body composition.
CoachesExercise ScienceTesting and Evaluationbody compositionweight classesbody fatlean body mass
Certified Strength and Conditioning Specialists® (CSCS®) are professionals who apply scientific knowledge to train athletes for the primary goal of improving athletic performance. Learn more about becoming a strength and conditioning coach with the NSCA certification! Visit NSCA.com for more information on strength and conditioning jobs, strength and conditioning internships, continuing education and CEUs.
Choose your path with new 2026 NSCA Performance Summits. Join us at
one of four specialized strength and conditioning events across the U.S. and earn
0.8 CEUs.
The purpose of this article is to discuss the different opinions regarding the validity of early sport specialization as opposed to diversification, specifically the effect these two methods have on injuries, motor development, skill acquisition, and social and psychological aspects.
CoachesProgram designPersonal Trainerslong-term athletic developmentYouth training guidelinesNSCA Coach
This article seeks to help simplify the exercise selection process by providing clarity on how different exercises can aid in enhancing performance and potentially reduce injury risk.
Personal trainersExercise ScienceProgram designSport-SpecificExercise SelectionJoint AngleSquat
This excerpt from Developing Speed demonstrates a fun drill aimed to develop the ability to make a cut step in response to a stimulus and to accelerate from this direction change.
CoachesExercise TechniqueProgram designAccelerationChange of DirectionForceCut Step