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Acute effects of single dose transcranial direct current stimulation on muscle strength: A systematic review and meta-analysis

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dc.contributor Háskólinn í Reykjavík
dc.contributor Reykjavik University
dc.contributor.author Lattari, Eduardo
dc.contributor.author Oliveira, Bruno R. R.
dc.contributor.author Monteiro Júnior, Renato Sobral
dc.contributor.author Marques Neto, Silvio Rodrigues
dc.contributor.author Oliveira, Aldair J.
dc.contributor.author Maranhão Neto, Geraldo A.
dc.contributor.author Machado, Sergio
dc.contributor.author Budde, Henning
dc.date.accessioned 2019-11-08T12:43:00Z
dc.date.available 2019-11-08T12:43:00Z
dc.date.issued 2018-12-26
dc.identifier.citation Lattari, E., Oliveira, B. R. R., Monteiro Júnior, R. S., Marques Neto, S. R., Oliveira, A. J., Maranhão Neto, G. A., … Budde, H. (2018). Acute effects of single dose transcranial direct current stimulation on muscle strength: A systematic review and meta-analysis. PLOS ONE, 13(12), e0209513. https://doi.org/10.1371/journal.pone.0209513
dc.identifier.issn 1932-6203 (eISSN)
dc.identifier.uri https://hdl.handle.net/20.500.11815/1334
dc.description.abstract Previous studies investigating the effects of transcranial direct current stimulation (tDCS) on muscle strength showed no consensus. Therefore, the purpose of this article was to systematically review the literature on the effects of single dose tDCS to improve muscle strength. A systematic literature search was conducted on PubMeb, ISI Web of Science, SciELO, and Scopus using search terms regarding tDCS and muscle strength. Studies were included in accordance with Population, Intervention, Comparison, Outcomes, and Setting (PICOS) including criteria. Healthy men and women, strength training practitioners or sedentary were selected. The acute effects of single dose anode stimulus of tDCS (a-tDCS) and the placebo stimulus of tDCS (sham) or no interventions were considered as an intervention and comparators, respectively. Measures related to muscle strength were analyzed. To conduct the analyses a weighted mean difference (WMD) and the standardized mean difference (SMD) were applied as appropriate. A total of 15 studies were included in this systematic review and 14 in meta-analysis. Regarding the maximal isometric voluntary contraction (MIVC), a small effect was seen between tDCS and Sham with significant difference between the conditions (SMD = 0.29; CI95% = 0.05 to 0.54; Z = 2.36; p = 0.02). The muscular endurance measured by the seconds sustaining a percentage of MIVC demonstrated a large effect between tDCS and Sham (WMD = 43.66; CI95% = 29.76 to 57.55; Z = 6.16; p < 0.001), showing an improvement in muscular endurance after exposure to tDCS. However, muscular endurance based on total work showed a trivial effect between tDCS and Sham with no significant difference (SMD = 0.22; CI95% = -0.11 to 0.54; Z = 1.32, p = 0.19). This study suggests that the use of tDCS may promote increase in maximal voluntary contraction and muscular endurance through isometric contractions.
dc.description.sponsorship This study was supported by German Research Foundation (DFG, Deutsche Forschungsgemeinschaft); BU 1837/5-1, BU 1837/5-2 to Henning Budde.
dc.format.extent e0209513
dc.language.iso en
dc.publisher Public Library of Science (PLoS)
dc.relation.ispartofseries PLOS ONE;13(12)
dc.rights info:eu-repo/semantics/openAccess
dc.subject Transcranial Direct Current Stimulation (tDCS)
dc.subject Muscle strength
dc.subject Neuroscience
dc.subject Muscle contraction
dc.subject Strength training
dc.subject Brain stimulation
dc.subject Taugavísindi
dc.subject Vöðvar
dc.subject Styrktarþjálfun
dc.subject Vöðvahreyfingar
dc.subject Taugaboð
dc.title Acute effects of single dose transcranial direct current stimulation on muscle strength: A systematic review and meta-analysis
dc.type info:eu-repo/semantics/article
dcterms.license © 2018 Lattari et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.description.version Peer Reviewed
dc.identifier.journal Plos One
dc.identifier.doi 10.1371/journal.pone.0209513
dc.relation.url http://dx.plos.org/10.1371/journal.pone.0209513
dc.contributor.department Íþróttafræði (HR)
dc.contributor.department Sport Science (RU)
dc.contributor.school Tækni- og verkfræðideild (HR)
dc.contributor.school School of Science and Engineering (RU)


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