Velocity Loss Thresholds Reliably Control Kinetic and Kinematic Outputs during Free Weight Resistance Training

Madison Pearson; Amador Garcia-Ramos; Matthew Morrison; Carlos Ramirez-Lopez; Nicholas Dalton-Barron; Jonathon Weakley

doi:10.3390/ijerph17186509

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Velocity Loss Thresholds Reliably Control Kinetic and Kinematic Outputs during Free Weight Resistance Training

Journal article

Open access

Peer reviewed

Velocity Loss Thresholds Reliably Control Kinetic and Kinematic Outputs during Free Weight Resistance Training

Madison Pearson, Amador Garcia-Ramos, Matthew Morrison, Carlos Ramirez-Lopez, Nicholas Dalton-Barron and Jonathon Weakley

International Journal of Environmental Research and Public Health, Vol.17(18), pp.1-11

2020

DOI: https://doi.org/10.3390/ijerph17186509

PMID: 32906825

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Abstract

velocity-based training

reliability

resistance training

training prescription

Exercise velocity and relative velocity loss thresholds (VLTs) are commonly used in velocity-based resistance training. This study aims to quantify the between-day reliability of 10%, 20%, and 30% VLTs on kinetic and kinematic outputs, changes in external load, and repetition characteristics in well-trained athletes. Using a repeated, counter-balanced crossover design, twelve semi-professional athletes completed five sets of the back squat with an external load corresponding to a mean concentric velocity of similar to 0.70 m.s(-1) and a VLT applied. The testing sessions were repeated after four weeks of unstructured training to assess the long-term reliability of each VLT. A coefficient of variation (CV) <10% was used to classify outputs as reliable. Kinetic and kinematic outputs and external load were largely reliable, with only peak power during sets 2-5 within the 10% VLT condition demonstrating a CV >10% (CV: 11.14-14.92%). Alternatively, the repetitions completed within each set showed large variation (CV: 18.92-67.49%). These findings demonstrate that by utilizing VLTs, kinetic and kinematic outputs can be prescribed and replicated across training mesocycles. Thus, for practitioners wishing to reliably control the kinetic and kinematic stimulus that is being applied to their athletes, it is advised that a velocity-based approach is used.

Details

Title: Velocity Loss Thresholds Reliably Control Kinetic and Kinematic Outputs during Free Weight Resistance Training
Authors: Madison Pearson (Corresponding Author) - Australian Catholic University
Amador Garcia-Ramos - Universidad Católica de la Santísima Concepción
Matthew Morrison - Australian Catholic University
Carlos Ramirez-Lopez - Leeds Beckett University
Nicholas Dalton-Barron - Leeds Beckett University
Jonathon Weakley - Australian Catholic University
Publication details: International Journal of Environmental Research and Public Health, Vol.17(18), pp.1-11
Publisher: MDPI AG
Date published: 2020
DOI: 10.3390/ijerph17186509
ISSN: 1660-4601; 1661-7827
PMID: 32906825
Copyright note: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Organisation Unit: Centre for Human Factors and Systems Science
Language: English
Record Identifier: 991128802102621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Environmental Sciences; Public, Environmental & Occupational Health