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Investigating the Effects of Mental Fatigue on Resistance Exercise Performance

Mental fatigue can impart negative effects on subsequent physical performance, although the mechanisms underlying these effects are not well understood. This study examined whether mental fatigue confers negative carryover effects on the performance of a set of biceps curls, while also investigating...

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Detalles Bibliográficos
Autores principales: Brown, Denver M. Y., Farias Zuniga, Amanda, Mulla, Daanish M., Mendonca, Divya, Keir, Peter J., Bray, Steven R.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8297120/
https://www.ncbi.nlm.nih.gov/pubmed/34202762
http://dx.doi.org/10.3390/ijerph18136794
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author Brown, Denver M. Y.
Farias Zuniga, Amanda
Mulla, Daanish M.
Mendonca, Divya
Keir, Peter J.
Bray, Steven R.
author_facet Brown, Denver M. Y.
Farias Zuniga, Amanda
Mulla, Daanish M.
Mendonca, Divya
Keir, Peter J.
Bray, Steven R.
author_sort Brown, Denver M. Y.
collection PubMed
description Mental fatigue can impart negative effects on subsequent physical performance, although the mechanisms underlying these effects are not well understood. This study examined whether mental fatigue confers negative carryover effects on the performance of a set of biceps curls, while also investigating physiological and psychological mechanisms proposed to explain the predicted effect. A randomized, cross-over design was employed. On visit 1, participants (N = 10) performed a barbell biceps curl one-repetition maximum (1RM) test. On visits 2–3, participants performed 20 biceps curls at 50% of their 1RM, followed by their respective 10 min experimental manipulation (high vs. low cognitive exertion) and then a second set of biceps curls to exhaustion. Ratings of perceived exertion and electromyography of the biceps brachii, triceps brachii, upper trapezius, thoracic erector spinae and lumbar erector spinae were recorded during the physical task. The total number of repetitions completed was similar across the conditions. Results also failed to show between-condition differences for muscle activation and perceptions of exertion. Future research is needed to build an adequate knowledge base to determine whether there is an effect of mental fatigue on dynamic resistance-based task performance and, if so, identify the mechanisms explaining how and why.
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spelling pubmed-82971202021-07-23 Investigating the Effects of Mental Fatigue on Resistance Exercise Performance Brown, Denver M. Y. Farias Zuniga, Amanda Mulla, Daanish M. Mendonca, Divya Keir, Peter J. Bray, Steven R. Int J Environ Res Public Health Article Mental fatigue can impart negative effects on subsequent physical performance, although the mechanisms underlying these effects are not well understood. This study examined whether mental fatigue confers negative carryover effects on the performance of a set of biceps curls, while also investigating physiological and psychological mechanisms proposed to explain the predicted effect. A randomized, cross-over design was employed. On visit 1, participants (N = 10) performed a barbell biceps curl one-repetition maximum (1RM) test. On visits 2–3, participants performed 20 biceps curls at 50% of their 1RM, followed by their respective 10 min experimental manipulation (high vs. low cognitive exertion) and then a second set of biceps curls to exhaustion. Ratings of perceived exertion and electromyography of the biceps brachii, triceps brachii, upper trapezius, thoracic erector spinae and lumbar erector spinae were recorded during the physical task. The total number of repetitions completed was similar across the conditions. Results also failed to show between-condition differences for muscle activation and perceptions of exertion. Future research is needed to build an adequate knowledge base to determine whether there is an effect of mental fatigue on dynamic resistance-based task performance and, if so, identify the mechanisms explaining how and why. MDPI 2021-06-24 /pmc/articles/PMC8297120/ /pubmed/34202762 http://dx.doi.org/10.3390/ijerph18136794 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/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 (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Brown, Denver M. Y.
Farias Zuniga, Amanda
Mulla, Daanish M.
Mendonca, Divya
Keir, Peter J.
Bray, Steven R.
Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title_full Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title_fullStr Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title_full_unstemmed Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title_short Investigating the Effects of Mental Fatigue on Resistance Exercise Performance
title_sort investigating the effects of mental fatigue on resistance exercise performance
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8297120/
https://www.ncbi.nlm.nih.gov/pubmed/34202762
http://dx.doi.org/10.3390/ijerph18136794
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