The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis

Dietary nitrate (NO3 −) supplementation, which can enhance performance in exercise settings involving repeated high-intensity efforts, has been linked to improved skeletal muscle contractile function. Although muscular strength is an important component of explosive movements and sport-specific skil...

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Autores: Lago Rodríguez, Ángel, Domínguez Herrera, Raúl, Ramos Álvarez, Juan José, Tobal, Francisco Miguel, Jodra, Pablo, Tan, Rachel, Bailey, Stephen J.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/145942
Acceso en línea:https://hdl.handle.net/11441/145942
https://doi.org/10.3390/nu12103022
Access Level:acceso abierto
Palabra clave:Beetroot
Ergogenic aid
Exercise performance
Strength
Muscle
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spelling The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysisLago Rodríguez, ÁngelDomínguez Herrera, RaúlRamos Álvarez, Juan JoséTobal, Francisco MiguelJodra, PabloTan, RachelBailey, Stephen J.BeetrootErgogenic aidExercise performanceStrengthMuscleDietary nitrate (NO3 −) supplementation, which can enhance performance in exercise settings involving repeated high-intensity efforts, has been linked to improved skeletal muscle contractile function. Although muscular strength is an important component of explosive movements and sport-specific skills, few studies have quantified indices of muscular strength following NO3 − supplementation, particularly isokinetic assessments at different angular velocities. We performed a systematic review and meta-analysis to determine whether dietary NO3 − supplementation improves peak torque, as assessed by the gold standard method of isokinetic dynamometry, and if this effect was linked to the angular velocity imposed during the assessment. Dialnet, Directory of Open Access Journals, MEDLINE, PubMed, SciELO, Scopus, and SPORTDiscus were searched for articles using the following search strategy: (nitrate OR beet*) AND (supplement* OR nutr* OR diet*) AND (isokinetic OR strength OR “resistance exercise” OR “resistance training” OR “muscular power”). The meta-analysis of data from 5 studies with 60 participants revealed an overall effect size of −0.01 for the effect of nitrate supplementation on isokinetic peak torque, whereas trivial effect sizes ranging from −0.11 to 0.16 were observed for independent velocity-specific (90◦ /s, 180◦ /s, 270◦ /s, and 360◦ /s) isokinetic peak torque. Four of the five studies indicated that dietary NO3 − supplementation is not likely to influence voluntary knee extensor isokinetic torque across a variety of angular velocities. These results suggest that NO3 − supplementation does not influence isokinetic peak torque, but further work is required to elucidate the potential of NO3 − supplementation to influence other indices of muscular strength, given the dearth of experimental evidence on this topic.MDPIMotricidad Humana y Rendimiento Deportivo2020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://hdl.handle.net/11441/145942https://doi.org/10.3390/nu12103022reponame:idUS. Depósito de Investigación de la Universidad de Sevillainstname:Universidad de Sevilla (US)InglésNutrients, 12 (10), 3022-1-3022-11.http://doi.org/10.3390/nu12103022info:eu-repo/semantics/openAccessoai:idus.us.es:11441/1459422026-06-17T12:51:07Z
dc.title.none.fl_str_mv The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
title The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
spellingShingle The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
Lago Rodríguez, Ángel
Beetroot
Ergogenic aid
Exercise performance
Strength
Muscle
title_short The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
title_full The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
title_fullStr The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
title_full_unstemmed The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
title_sort The effect of dietary nitrate supplementation on isokinetic torque in adults: a systematic review and meta-analysis
dc.creator.none.fl_str_mv Lago Rodríguez, Ángel
Domínguez Herrera, Raúl
Ramos Álvarez, Juan José
Tobal, Francisco Miguel
Jodra, Pablo
Tan, Rachel
Bailey, Stephen J.
author Lago Rodríguez, Ángel
author_facet Lago Rodríguez, Ángel
Domínguez Herrera, Raúl
Ramos Álvarez, Juan José
Tobal, Francisco Miguel
Jodra, Pablo
Tan, Rachel
Bailey, Stephen J.
author_role author
author2 Domínguez Herrera, Raúl
Ramos Álvarez, Juan José
Tobal, Francisco Miguel
Jodra, Pablo
Tan, Rachel
Bailey, Stephen J.
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Motricidad Humana y Rendimiento Deportivo
dc.subject.none.fl_str_mv Beetroot
Ergogenic aid
Exercise performance
Strength
Muscle
topic Beetroot
Ergogenic aid
Exercise performance
Strength
Muscle
description Dietary nitrate (NO3 −) supplementation, which can enhance performance in exercise settings involving repeated high-intensity efforts, has been linked to improved skeletal muscle contractile function. Although muscular strength is an important component of explosive movements and sport-specific skills, few studies have quantified indices of muscular strength following NO3 − supplementation, particularly isokinetic assessments at different angular velocities. We performed a systematic review and meta-analysis to determine whether dietary NO3 − supplementation improves peak torque, as assessed by the gold standard method of isokinetic dynamometry, and if this effect was linked to the angular velocity imposed during the assessment. Dialnet, Directory of Open Access Journals, MEDLINE, PubMed, SciELO, Scopus, and SPORTDiscus were searched for articles using the following search strategy: (nitrate OR beet*) AND (supplement* OR nutr* OR diet*) AND (isokinetic OR strength OR “resistance exercise” OR “resistance training” OR “muscular power”). The meta-analysis of data from 5 studies with 60 participants revealed an overall effect size of −0.01 for the effect of nitrate supplementation on isokinetic peak torque, whereas trivial effect sizes ranging from −0.11 to 0.16 were observed for independent velocity-specific (90◦ /s, 180◦ /s, 270◦ /s, and 360◦ /s) isokinetic peak torque. Four of the five studies indicated that dietary NO3 − supplementation is not likely to influence voluntary knee extensor isokinetic torque across a variety of angular velocities. These results suggest that NO3 − supplementation does not influence isokinetic peak torque, but further work is required to elucidate the potential of NO3 − supplementation to influence other indices of muscular strength, given the dearth of experimental evidence on this topic.
publishDate 2020
dc.date.none.fl_str_mv 2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/11441/145942
https://doi.org/10.3390/nu12103022
url https://hdl.handle.net/11441/145942
https://doi.org/10.3390/nu12103022
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Nutrients, 12 (10), 3022-1-3022-11.
http://doi.org/10.3390/nu12103022
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:idUS. Depósito de Investigación de la Universidad de Sevilla
instname:Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
collection idUS. Depósito de Investigación de la Universidad de Sevilla
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