The importance of recognizing a closed-chain activity lies in the fact that the motions of multiple joints are coupled. Weakness at any one joint will consequently limit performance of the entire movement.
Personal trainersCoachesExercise ScienceProgram design
Jim Davis, Director of the Good Athlete Project, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about developments in high school coaching, options for how to structure and fund a high school position, coaching for kindness, and the application of cognitive neuroscience to fitness and exercise.
This article provides methods used by tactical facilitators, related research articles, and professional interviews to demonstrate how physical conditioning facilitates the transition from practice to duty for service members, including law enforcement and fire and rescue personnel.
This article highlights the scientific evidence on exercises like the seated leg extension, leg curl, and adduction machines to highlight their potential benefits on enhanced performance and potentially reducing injury risk.
Personal trainersExercise ScienceProgram designSafety
May 30, 2025by Juan Gonzalez, PhD, CSCS, Jung-Il Oh, PhD, Sofia Alvarado-Valdez, Brianna Villarreal, Edgar De La Cruz, Daniela Barrera, and Nicole Trevino
The purpose of this article is to provide fitness professionals with best practices on creating a program that uses red light therapy to aid in weight loss and weight management.
Personal trainersExercise ScienceNutritionProgram design
This Personal Training Quarterly article explores the science behind strength training’s effects on mental health and strategies for integrating wellness programming. Visit NSCA online to read more on fitness news and exercise research.
Exercise ScienceProgram designOrganization and AdministrationTesting and EvaluationClient Consultation|AssessmentSafetyBasic Pathophysiology and Science of Health Status or Condition, Disorder, or DiseaseProfessional Development
The goal of this article is to understand contralateral and ipsilateral loading, how to set-up loaded carries, electromyography activity during exercises, and how to apply these exercises into the strength training program.
This article in TSAC Report 76, explores fitness testing methods in military training spaces. Visit NSCA online to read more on tactical populations, and performance training
TSAC FacilitatorsExercise ScienceProgram designTesting and EvaluationClient Consultation|AssessmentSafetyEmergency ProceduresProfessional Development