What is the optimal time-response window for the use of photobiomodulation therapy combined with static magnetic field (
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RESEARCH ARTICLE
(2020) 12:64
Open Access
What is the optimal time-response window for the use of photobiomodulation therapy combined with static magnetic field (PBMTsMF) for the improvement of exercise performance and recovery, and for how long the effects last? A randomized, tripleblinded, placebo-controlled trial Ernesto Cesar Pinto Leal-Junior1,2,3* , Marcelo Ferreira Duarte de Oliveira1, Jon Joensen2, Martin Bjørn Stausholm2, Jan Magnus Bjordal2 and Shaiane Silva Tomazoni2,3
Abstract Background: The optimal time-response window for photobiomodulation therapy (PBMT) using low-level laser therapy (LLLT) and/or light emitting diodes therapy (LEDT) combined with static magnetic fields (sMF) before physical activity still was not fully investigated. The aim of the present study was to investigate the better of four time-response windows for PBMT combined with sMF (PBMT-sMF) use before exercise in humans. (Continued on next page)
* Correspondence: [email protected] 1 Laboratory of Phototherapy and Innovative Technologies in Health (LaPIT), Post-graduate Program in Rehabilitation Sciences, Nove de Julho University, Rua Vergueiro, 235/249, São Paulo, SP 01504-001, Brazil 2 Physiotherapy Research Group, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
Leal-Junior et al. BMC Sports Science, Medicine and Rehabilitation
(2020) 12:64
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Methods: A prospectively registered, randomized, triple-blinded (volunteers, therapists and assessors) placebocontrolled trial was carried out. Sixty healthy untrained male subjects were randomly allocated to six experimental groups (n = 10 per group): PBMT-sMF 5 mins, PBMT-sMF 3 h, PBMT-sMF 6 h, PBMT-sMF 1-day, placebo, and control. The control group performed all procedures, however did not receive any kind of intervention. PBMT-sMF active or PBMTsMF pl
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