Effects of low-level laser therapy on performance, inflammatory markers, and muscle damage in young water polo athletes: a double-blind, randomized, placebo-controlled study

dc.contributor.authorZagatto, Alessandro Moura [UNESP]
dc.contributor.authorde Paula Ramos, Solange
dc.contributor.authorNakamura, Fábio Yuzo
dc.contributor.authorde Lira, Fábio Santos [UNESP]
dc.contributor.authorLopes-Martins, Rodrigo Álvaro Brandão
dc.contributor.authorde Paiva Carvalho, Rodrigo Leal
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.contributor.institutionUniversidade de Mogi das Cruzes (UMC)
dc.contributor.institutionSacred Heart University
dc.date.accessioned2018-12-11T16:41:28Z
dc.date.available2018-12-11T16:41:28Z
dc.date.issued2016-04-01
dc.description.abstractThis study aimed to evaluate the effects of 5 days of 810-nm low-level laser therapy (LLLT) intervention on inflammatory and muscle damage markers and performance in young water polo players. Twenty young male water polo players participated in the study, which was designed as a randomized, double-blinded, placebo-controlled trial. Active LLLT or an identical placebo LLLT were delivered to eight points on the adductor muscle region immediately after each training day. Performance was measured by a 200-m maximal swimming (P200) and a 30-s crossbar jump test (30CJ) which was performed every day before training, and blood samples were drawn pre and post the final LLLT intervention to measure interleukins (IL) and muscle damage markers. There was no significant change in the P200 exercise in the LLLT group compared with the placebo group but there was a moderate improvement in the 30CJ (8.7 ± 2.6 %). IL-1β and tumor necrosis factor-alpha presented increased (P < 0.016) concentration within group 48 h after the last LLLT intervention compared to pre, 0, and 24 h, but did not differ between groups. IL-10 increased over time in the placebo group and reached a moderate effect compared to the LLLT group. The creatine kinase decreased significantly (P = 0.049) over the time within the LLLT treatment group, but there was no significant change in lactate dehydrogenase (P = 0.150). In conclusion, LLLT resulted in a non-significant, but small to moderate effect on inflammatory and muscle damage markers and a moderate effect on performance in water polo players. In addition, the lack of positive results could be due to the small area covered by irradiation and this should be considered in future studies.en
dc.description.affiliationFaculty of Sciences Department of Physical Education UNESP - Univ Estadual Paulista, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa
dc.description.affiliationState University of Londrina
dc.description.affiliationDepartment of Physical Education Faculty of Science and Technology UNESP - Univ Estadual Paulista
dc.description.affiliationLaboratory of Photobiomodulation and Modeling of Biological Phenomena Universidade de Mogi das Cruzes (UMC)
dc.description.affiliationResearch Laboratory in Physiotherapy Sacred Heart University
dc.description.affiliationUnespFaculty of Sciences Department of Physical Education UNESP - Univ Estadual Paulista, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa
dc.description.affiliationUnespDepartment of Physical Education Faculty of Science and Technology UNESP - Univ Estadual Paulista
dc.format.extent511-521
dc.identifierhttp://dx.doi.org/10.1007/s10103-016-1875-1
dc.identifier.citationLasers in Medical Science, v. 31, n. 3, p. 511-521, 2016.
dc.identifier.doi10.1007/s10103-016-1875-1
dc.identifier.file2-s2.0-84961198759.pdf
dc.identifier.issn1435-604X
dc.identifier.issn0268-8921
dc.identifier.scopus2-s2.0-84961198759
dc.identifier.urihttp://hdl.handle.net/11449/168486
dc.language.isoeng
dc.relation.ispartofLasers in Medical Science
dc.relation.ispartofsjr0,713
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCytokines
dc.subjectLaser
dc.subjectMuscle injuries
dc.subjectWater polo
dc.titleEffects of low-level laser therapy on performance, inflammatory markers, and muscle damage in young water polo athletes: a double-blind, randomized, placebo-controlled studyen
dc.typeArtigo
unesp.author.lattes2545518618024469[1]
unesp.author.orcid0000-0003-1065-4158[1]

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