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(942 found)

Body Composition in Football Players

March 25, 2019by Tyler Bosch

Article Members Only

Body composition is an important physical characteristic to consider for football players and their performance. Tyler Bosch goes over the various methods of measuring body composition, what the numbers really mean, and how they can be used to develop a player's training.

Coaches Exercise Science Testing and Evaluation

Tactical Fitness Research, 2019

February 22, 2020by Guy Leahy, MEd, CSCS,*D

Article Members Only

This article briefly explores some current research that has important implications for improving the readiness and lethality of military personnel.

TSAC Facilitators Exercise Science Program design

SCJ 47.1 A Discussion of the Combined Effect of Resistance Training and Time-Restricted Eating on Body Composition and Neuromuscular Adaptations

Quiz

Time-restricted eating (TRE) is an application of intermittent fasting where an individual consumes their calories in a specific eating window (e.g., 8 hours) followed by a prolonged fasting window (e.g., 16 hours). Several randomized controlled trials have analyzed the combined effect of resistance training (RT) and TRE on physical adaptations, including fat mass (FM) loss, fat-free mass (FFM) retention, hypertrophy, local muscular endurance, power, and strength. In this mini review, we highlight the methodology and results from these studies and conclude by providing practical application suggestions for fitness professionals striving to maximize RT + TRE with their clientele. Generally, RT + TRE leads to positive body composition changes, including FM loss and FFM retention, which culminates in improved body fat percentage. Similarly, RT + TRE consistently stimulates positive neuromuscular adaptations, such as increased hypertrophy, local muscular endurance, power, and strength. When positive changes are not observed, and when safely implemented, RT + TRE rarely confers negative effects on the abovementioned adaptations. In short, RT + TRE may be a beneficial dietary and exercise strategy to improve body composition and muscular fitness. However, there are several caveats for practitioners to consider, which are discussed at length in this article.

Low-Carbohydrate Ketogenic Diet for Weight Management

October 22, 2018by Dr. Carmine R. Grieco, CSCS,*D

Article

The ketogenic diet, while controversial and a highly polarizing subject, has demonstrated promise as an alternative dietary strategy for weight management.

Personal trainers Nutrition

SCJ 43.5 Plyo-Accentuated Eccentric Loading Methods to Enhance Lower Limb Muscle Power

Quiz

Accentuated eccentric loading (AEL) can be combined with lower-body power-based movements to acutely enhance them; however, currently, there are limited recommendations for this training method. AEL can enhance force and power metrics during its utilization with lower-body power based exercises. When using AEL, exercises should consist of jump squats and countermovement jumps with loading methods consisting of weight releasors or dumbbell hand release. Elastic bands can be used; however, more research is needed in this area. External loads ranging from 10–30% of body mass can be used. Future research needs to investigate increased eccentric and concentric loads when using AEL with power based movements.

First Responder Research Column – State of Law Enforcement – Physical Training Interventions

September 9, 2026by James Henley, MS, and Mark Abel, PhD, CSCS,*D, TSAC-F,*D, FNSCA

Article

This article discusses training strategies for law enforcement officers, including strength training, fitness scaling, and readiness programs that improve performance and career-long operational effectiveness. Visit NSCA online to read more on strength training and law enforcement officer fitness

TSAC Facilitators Exercise Science Exercise Technique Program design Organization and Administration Testing and Evaluation Client Consultation|Assessment Safety Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development

Training Considerations for the Female Firefighter – Bridging the Evidence Gap in Tactical Strength and Conditioning

May 15, 2026by Annmarie Chizewski, PhD, CSCS, USAW, Joel Martin, PhD, CSCS,*D, CPSS, Lee Brown, PhD, CSCS, CSPS, TSAC-F, RSCC, Steve Ferrier, and Mick Jackson

Article

This TSAC Report article discusses why female firefighters need sex-specific training to improve biomechanics, reduce injury risk, and support career sustainability. Visit NSCA online to read more about exercise science and occupational readiness.

TSAC Facilitators Exercise Science Exercise Technique Program design Organization and Administration Testing and Evaluation Safety Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development

Acceleration and Deceleration Mechanics

June 5, 2020by Developing Agility and Quickness, Second Edition

Article

This excerpt breaks down the optimal positions of the body during acceleration and deceleration.

Personal trainers TSAC Facilitators Coaches Exercise Technique

Biomechanical Effects of Loaded Marching and Resulting Training Recommendations

February 13, 2026by Brian Thebaud, MS, CSCS, TSAC-F, Jamie Mraz, DPT, OCS, CSCS, and James Prendergast, MS, CSCS

Article

This TSAC Report article highlights ruck performance for tactical athletes with key insights on load carriage biomechanics, gait changes, and training strategies to reduce injury. Visit NSCA online to learn more about military strength training.

TSAC Facilitators Exercise Science Exercise Technique Program design Organization and Administration Testing and Evaluation Safety Basic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease Professional Development

NSCA’s Coaching Podcast, Episode 117: Dr. John McMahon

February 11, 2022by Eric McMahon, MEd, CSCS, RSCC*D and Dr. John McMahon, CSCS

Article

Take a deep dive into force plate research and trends with “Force Plate Coach”, Dr. John McMahon from the University of Salford in England. In this episode, John discusses his path from Royal Marine Commando into strength and conditioning and biomechanics teaching and research. Listen in as John connects with NSCA Coaching and Sport Science Program Manager, Eric McMahon, on the past, present, and future of force plates in sport and the ways we can improve our testing and evaluation of athletes. This episode mentions the following paper from NSCA’s Strength and Conditioning Journal: McMahon, JJ, Suchomel, TJ; Lake, JP, and Comfort, P. Understanding the Key Phases of the Countermovement Jump Force-Time Curve, Strength and Conditioning Journal 40(4): 96-106, 2018 Find John on Instagram: @forceplatecoach, on Twitter: @ForcePlateCoach, and on YouTube: @ForcePlateCoach| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Coaches Professional Development

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