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

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


Titill: Acute effects of single dose transcranial direct current stimulation on muscle strength: A systematic review and meta-analysis
Höfundur: Lattari, Eduardo
Oliveira, Bruno R. R.
Monteiro Júnior, Renato Sobral
Marques Neto, Silvio Rodrigues
Oliveira, Aldair J.
Maranhão Neto, Geraldo A.
Machado, Sergio
Budde, Henning
Útgáfa: 2018-12-26
Tungumál: Enska
Umfang: e0209513
Háskóli/Stofnun: Háskólinn í Reykjavík
Reykjavik University
Svið: Tækni- og verkfræðideild (HR)
School of Science and Engineering (RU)
Deild: Íþróttafræði (HR)
Sport Science (RU)
Birtist í: PLOS ONE;13(12)
ISSN: 1932-6203 (eISSN)
DOI: 10.1371/journal.pone.0209513
Efnisorð: Transcranial Direct Current Stimulation (tDCS); Muscle strength; Neuroscience; Muscle contraction; Strength training; Brain stimulation; Taugavísindi; Vöðvar; Styrktarþjálfun; Vöðvahreyfingar; Taugaboð
URI: https://hdl.handle.net/20.500.11815/1334

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Tilvitnun:

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

Útdráttur:

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.

Leyfi:

© 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.

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