Reliability of the velocity achieved during the last repetition of sets to failure and its association with the velocity of the 1-repetition maximum

Amador Garcia-Ramos; Danica Janicijevic; Jorge M Gonzalez-Hernandez; Justin W L Keogh; Jonathon Weakley

doi:10.7717/peerj.8760

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Reliability of the velocity achieved during the last repetition of sets to failure and its association with the velocity of the 1-repetition maximum

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Reliability of the velocity achieved during the last repetition of sets to failure and its association with the velocity of the 1-repetition maximum

Amador Garcia-Ramos, Danica Janicijevic, Jorge M Gonzalez-Hernandez, Justin W L Keogh and Jonathon Weakley

PeerJ, Vol.8, e8760

2020

DOI: https://doi.org/10.7717/peerj.8760

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Abstract

bench press

linear position transducer

minimal velocity threshold

strength testing

velocity-based training

Background: This study aimed to determine the reliability of the velocity achieved during the last repetition of sets to failure (Vlast) and the association of Vlast with the velocity of the 1-repetition maximum (V1RM) during the paused and touch-and-go bench press (BP) exercises performed in a Smith machine. Methods: A total of 96 healthy men participated in this study that consisted of two testing sessions. A single BP variant (paused BP or touch-and-go BP) was evaluated on each session in a randomized order. Each session consisted of an incremental loading test until reaching the 1RM, followed by two sets of repetitions to failure against a load ranging from 75% to 90% of 1RM. Results: The reliability of Vlast was unacceptable for both BP variants (CV > 18.3%, ICC < 0.60). The correlations between V1RM and Vlast were small for the paused BP (r = 0.18) and moderate for the touch-and-go BP (r = 0.37). Conclusions: Although these results suggest that Vlast could be a better indicator of the minimal velocity threshold than V1RM, the low reliability of Vlast and the similar values of Vlast for both BP variants suggest that a standard V1RM should be used to estimate the 1RM from the individualized load-velocity relationship.

Details

Title: Reliability of the velocity achieved during the last repetition of sets to failure and its association with the velocity of the 1-repetition maximum
Authors: Amador Garcia-Ramos (Author) - University of Granada, Spain
Danica Janicijevic (Author) - University of Belgrade, Serbia
Jorge M Gonzalez-Hernandez (Author) - Universidad Europea de Canarias, Spain
Justin W L Keogh (Author) - University of the Sunshine Coast
Jonathon Weakley (Author) - Leeds Beckett University, United Kingdom
Publication details: PeerJ, Vol.8, e8760; 14
Publisher: PeerJ, Ltd.
Date published: 2020
DOI: 10.7717/peerj.8760
ISSN: 2167-8359
Copyright note: Copyright © 2020 García-Ramos et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99451273602621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Sport Sciences