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Local and systemic effects of photobiomodulation therapy on muscular performance and post exercise recovery

Grant number: 17/06422-5
Support type:Scholarships in Brazil - Master
Effective date (Start): June 01, 2017
Effective date (End): January 31, 2019
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Ernesto Cesar Pinto Leal Junior
Grantee:Caroline Monteiro Machado
Home Institution: Universidade Nove de Julho (UNINOVE). Campus Vergueiro. São Paulo , SP, Brazil


Recent studies with photobiomodulation therapy have shown positive results delaying skeletal muscle fatigue and improving the status of biochemical markers related to skeletal muscle recovery when these therapies were applied before exercise. Some studies suggest that photobiomodulation therapy has systemic effects, but it is not known whether therapy exerts any systemic effects on human skeletal muscle. With these factors in mind, this research project aims to verify the local and systemic effects of phototherapy on muscle performance and recovery after exercise. It will be performed a randomized, double-blinded, placebo-controlled trial, with voluntary participation of 40 healthy subjects, non-atlhete, male, age between 18 and 35 years old. We will analyze parameters related to volunteers exercise performance (torque peak / maximum voluntary contraction - MVC), delayed onset muscle soreness (DOMS) by visual analogue scale (VAS), and biochemical marker of muscle damage (CK). The analysis will be performed before exercise protocols, after 1 minute, and 1, 24, 48, 72 hours after the end of exercise   protocol. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TOMAZONI, SHAIANE SILVA; MONTEIRO MACHADO, CAROLINE DOS SANTOS; DE MARCHI, THIAGO; CASALECHI, HELIODORA LEAO; BJORDAL, JAN MAGNUS; CAMILLO DE CARVALHO, PAULO DE TARSO; PINTO LEAL-JUNIOR, ERNESTO CESAR. Infrared Low-Level Laser Therapy (Photobiomodulation Therapy) before Intense Progressive Running Test of High-Level Soccer Players: Effects on Functional, Muscle Damage, Inflammatory, and Oxidative Stress Markers-A Randomized Controlled Trial. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY, v. 2019, . (17/06422-5)
MACHADO, CAROLINE DOS SANTOS MONTEIRO; CASALECHI, HELIODORA LEAO; VANIN, ADRIANE AVER; DE AZEVEDO, JONATAS BEZERRA; DE CARVALHO, PAULO DE TARSO CAMILLO; LEAL-JUNIOR, ERNESTO CESAR PINTO. Does photobiomodulation therapy combined to static magnetic field (PBMT-sMF) promote ergogenic effects even when the exercised muscle group is not irradiated? A randomized, triple-blind, placebo-controlled trial. BMC SPORTS SCIENCE MEDICINE AND REHABILITATION, v. 12, n. 1, . (17/06422-5)

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