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(3,249 found)

Effects of Plyometric Training on Sports Performance

May 23, 2018by Yann Le Meur, PhD

Article

Plyometric training is a series of explosive bodyweight resistance exercises using the stretch-shortening cycle of the muscle fiber to enhance physical capacities, such as speed, strength, and power. These physiological measures translate to improved performance in many sports, including court-based sports, field sports, and water sports.

Coaches Exercise Science

Blood Pressure Characteristics and Responses During Resistance Exercise

Quiz

Blood pressure changes acutely during resistance exercise. Continuous, beat-by-beat assessment provides detailed temporal resolution of blood pressure profiles, through techniques including intra-arterial catheterization, photoplethysmography, or applanation tonometry. However, noncontinuous measurements may be conducted before and after resistance exercise through auscultatory sphygmomanometry or oscillometry. Blood pressures tend to increase across repetitions within sets, influenced by load magnitude, repetitions and sets performed, muscle mass recruited, and rest periods; the highest pressures result from multi-joint, large muscle group exercises. Evaluation of such factors may facilitate better understanding of blood pressure responses to acute resistance exercise and influence program design considerations relative to anticipated hemodynamic changes.

What Types of Protein are Best for Resistance Training Athletes?

March 4, 2019by Michael A. Nelson

Article Members Only

Protein is a staple in the diet of resistance training individuals looking to maximize strength and hypertrophy adaptations. This article reviews the quality of plant-based and animal-based proteins, and what proteins are right on an individual basis.

Personal trainers TSAC Facilitators Coaches Exercise Science Nutrition

Gluteal Muscle Strength and Activation, and the Relation to Knee Pain

March 12, 2019by Joseph J. Swinfen

Article Members Only

This article focuses on exercises that strengthen the gluteal muscles for abduction to help reduce knee pain in full range of motion and promote proper movement in the primary knee joints.

TSAC Facilitators Exercise Technique Program design

Protein and Amino Acid Requirements for Elderly Clients

July 25, 2025by Michael Turley, and David Larson, DHSC, MBA, MS, CSCS, PN2

Article Members Only

This Personal Trainers Quarterly article presents protein dosing strategies to maximize wellness for the aging population. Visit NSCA online to read more on nutrition, health, and wellness.

Personal trainers Exercise Science Exercise Technique Program design Client Consultation|Assessment Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development

Post-Workout Nutrition—Nutrient Timing and the Anabolic Window

April 10, 2018by Dylan Klein

Article Members Only

This article summarizes the relevant literature regarding post-workout nutrient timing and its importance to training adaptations, specifically increasing skeletal muscle hypertrophy and replenishing skeletal muscle glycogen stores.

Personal trainers Nutrition

Nutritional Strategies to Balance Exercise-Induced Inflammation

April 20, 2018by Laurel Wentz, PhD, RD, CSSD

Article Members Only

While acute inflammation is a normal response to high-intensity training, chronic inflammation results in depressed immunity and impaired muscle response. Learn about nutritional strategies to help balance exercise-induced inflammation to optimize performance outcomes.

Coaches Nutrition Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease

Speed – Learned Skill or Genetic Trait?

January 17, 2022by Sam Tomlitz, CSCS

Article Members Only

The purpose of this article is to examine components that affect speed to determine the degree that speed is governed by skill versus genetic factors.

Coaches Exercise Science

Training Volume and Hypertrophy – An Evidence-Based Approach for Personal Trainers

April 29, 2026by Jackson Mandart, CSCS, Wil King, Ramsey Zaytoun, CSCS, and Adam Gonzalez, CSCS,*D, NSCA-CPT, CISSN

Article Members Only

This PTQ article discusses current research examining the relationship between training volume and muscle hypertrophy and provides guidelines for optimizing training outcomes. Visit NSCA online to read more on exercise science and sport performance.

Personal trainers Exercise Science Program design Testing and Evaluation Client Consultation|Assessment Professional Development

Multi-Joint Training versus Isolated Training for Core Development

June 8, 2018by Developing the Core

Article

Ground-based free weight lifts, especially the explosive Olympic-style lifts, are highly recommended for athletic conditioning for the core muscles. They can provide a moderately unstable stimulus to augment activation of the core and limb muscles, while still providing maximal or near maximal strength, velocity, and power output.

Coaches Exercise Science Exercise Technique

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