(225 found)
Catecholamines
June 14, 2018by Essentials of Strength and Conditioning 4th Edition With Web Resource
The catecholamines—primarily epinephrine, but also norepinephrine and dopamine—are secreted by the adrenal medulla and are important for the acute expression of strength and power because the hormones act as central motor stimulators and peripheral vascular dilators to enhance enzyme systems and calcium release in muscle.
Coaches Exercise Science
Training for Connective Tissue Adaptations
August 2, 2024by Jenna Werking, MS, PTA, CSCS, CSPS, USAW
This article takes a closer look at training strength and stiffness in connective tissues.
Coaches Exercise Science Exercise Technique Program design Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease
Carbohydrate Periodization—Part 2: Time Carbohydrate Restriction
August 19, 2019by Mike Nelson
This is the second part of a two-part series that investigates the effects of dietary carbohydrate availability on exercise performance and how specifically timed restriction of carbohydrates may also paradoxically enhance exercise performance in the medium and long term.
Personal trainers Nutrition
Using Red Light Therapy for Fat Loss – An Evidence-Based Guide
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 trainers Exercise Science Nutrition Program design
The Impact of Polycystic Ovarian Syndrome on a Female Athlete’s Performance and Overall Health
March 16, 2022by Avery Dravis-Stark, Winnie Victor, Caitlin Finn, and Christopher Brian Taber, MS, CSCS
This article serves to educate strength and conditioning coaches on the influence exercise can have on the various hormonal pathways that are impacted by polycystic ovarian syndrome (PCOS), including insulin resistance, cortisol, testosterone, follicle-stimulating, and luteinizing hormones.
Coaches Exercise Science Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease
Understanding Inter-Individual Responses to Exercise
December 14, 2020by Ronald Snarr, PhD, CSCS,*D, NSCA-CPT, Gina Hogan, Jordan Brown, and Maisie Davis
This article briefly describes how individuals can have the same training program, but have large fluctuations in the adaptation responses due to genetic and life style factors.
Personal trainers Exercise Science
Relative Energy Deficiency in Sport (Reds) – Awareness, Identification, and Management
November 19, 2025by Ava Stratman, and Jeffrey Hartman, PhD, CSCS, NSCA-CPT
This NSCA Coach article aims to equip coaches, athletic trainers, and support staff with the knowledge and tools necessary to manage REDs among college athletes. Visit NSCA online to read more on mental health and sport performance.
Coaches Exercise Science Nutrition Testing and Evaluation Client Consultation|Assessment Safety Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development
Considerations for Transitioning to Online Personal Training
August 14, 2021by Robert Linkul, MS, CSCS,*D, NSCA-CPT,*D, FNSCA
The purpose of this article is to provide the reader some direction and suggestions for how to make the transition to online personal training smooth and successful.
Personal trainers Program design Professional Development
Integrating Blood Flow Restriction Training in the Personal Training Setting
April 15, 2025by Nicholas Rolnick, DPT, MS, CSCS, and Sten Stray-Gundersen, PhD
This article will demonstrate why personal trainers should consider the use of blood flow restriction (BFR) and BFR technology for appropriate medically-screened clients that provides an objective way to apply pressure, whether that is through manual or automated cuffs.
Personal trainers Exercise Science Program design Testing and Evaluation Client Consultation|Assessment Safety Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development
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