Effect of 830 nm low-level laser therapy applied before high-intensity exercises on skeletal muscle recovery in athletes
Leal Junior EC, Lopes-Martins RA, Lopes-Martins RA, Baroni BM, De Marchi T, Taufer D, Manfro DS, Rech M, Danna V, Grosselli D, Generosi RA, Marcos RL, Ramos L, Bjordal JM
Lasers in medical science · 95 citas
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- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
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- Financiación no declarada
Publicación
- Publicado
- 2008-12-04 · Lasers Med Sci · vol. 24 · número 6 · págs. 857–863
- Editorial
- Springer Science+Business Media
- Citado
- 145 citas · más que el 95% de estudios similares · 4.8× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 38 trabajos
- Acceso
- De pago
- Áreas de investigación
- Laser Applications in Dentistry and Medicine · Exercise and Physiological Responses · Sports injuries and prevention
- Palabras clave
- low-level laser therapy, 830 nm, high-intensity exercise, skeletal muscle recovery, creatine kinase, blood lactate, rectus femoris, athletes, volleyball players, soccer players, Wingate test, post-exercise recovery
- MeSH
- muscle, skeletal, humans, athletic injuries, lactic acid, creatine kinase, cross-over studies, double-blind method, soccer, adolescent, adult, male, volleyball, athletic performance, young adult, athletes, low-level light therapy
13 autores
- Ernesto César Pinto Leal‐Junior🇧🇷 · autor de correspondenciaUniversidade de Caxias do Sul
- Rodrigo Álvaro Brandão Lopes‐Martins🇧🇷Universidade de São Paulo
- Bruno Manfredini Baroni🇧🇷Universidade de Caxias do Sul
- Thiago De Marchi🇧🇷Universidade de Caxias do Sul
- Daiana Taufer🇧🇷Universidade de Caxias do Sul
- Débora Sgandella Manfro🇧🇷Universidade de Caxias do Sul
- Morgana Rech🇧🇷Universidade de Caxias do Sul
- Vanessa Danna🇧🇷Universidade de Caxias do Sul
- Douglas Grosselli🇧🇷Universidade de Caxias do Sul
- Rafael Abeche Generosi🇧🇷Universidade Federal do Rio Grande do Sul; Universidade de Caxias do Sul
- Rodrigo Labat Marcos🇧🇷Universidade de São Paulo
- Luciano Ramos🇧🇷Universidade de São Paulo
- Jan Magnus Bjordal🇳🇴Høgskolen i Bergen; University of Bergen
Resumen
El texto original del estudio, en el idioma en que se publicó.
Our aim was to investigate the immediate effects of bilateral, 830 nm, low-level laser therapy (LLLT) on high-intensity exercise and biochemical markers of skeletal muscle recovery, in a randomised, double-blind, placebo-controlled, crossover trial set in a sports physiotherapy clinic. Twenty male athletes (nine professional volleyball players and eleven adolescent soccer players) participated. Active LLLT (830 nm wavelength, 100 mW, spot size 0.0028 cm(2), 3-4 J per point) or an identical placebo LLLT was delivered to five points in the rectus femoris muscle (bilaterally). The main outcome measures were the work performed in the Wingate test: 30 s of maximum cycling with a load of 7.5% of body weight, and the measurement of blood lactate (BL) and creatine kinase (CK) levels before and after exercise. There was no significant difference in the work performed during the Wingate test (P > 0.05) between subjects given active LLLT and those given placebo LLLT. For volleyball athletes, the change in CK levels from before to after the exercise test was significantly lower (P = 0.0133) for those given active LLLT (2.52 U l(-1) +/- 7.04 U l(-1)) than for those given placebo LLLT (28.49 U l(-1) +/- 22.62 U l(-1)). For the soccer athletes, the change in blood lactate levels from before exercise to 15 min after exercise was significantly lower (P < 0.01) in the group subjected to active LLLT (8.55 mmol l(-1) +/- 2.14 mmol l(-1)) than in the group subjected to placebo LLLT (10.52 mmol l(-1) +/- 1.82 mmol l(-1)). LLLT irradiation before the Wingate test seemed to inhibit an expected post-exercise increase in CK level and to accelerate post-exercise lactate removal without affecting test performance. These findings suggest that LLLT may be of benefit in accelerating post-exercise recovery.
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