Effect of phototherapy (low-level laser therapy and light-emitting diode therapy) on exercise performance and markers of exercise recovery: a systematic review with meta-analysis
Leal-Junior EC, Vanin AA, Miranda EF, de Carvalho Pde T, Dal Corso S, Bjordal JM
Lasers in medical science · 172 citas
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Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2013-11-18 · Lasers Med Sci · vol. 30 · número 2 · págs. 925–939
- Editorial
- Springer Science+Business Media
- Citado
- 249 citas · más que el 91% de estudios similares · 2.6× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 36 trabajos
- Acceso
- De pago
- Áreas de investigación
- Laser Applications in Dentistry and Medicine · Exercise and Physiological Responses · Sports Performance and Training
- Palabras clave
- phototherapy, low-level laser therapy, light-emitting diode therapy, exercise performance, exercise-induced muscle damage, creatine kinase, muscle fatigue, recovery, skeletal muscle, time to exhaustion, number of repetitions
- MeSH
- muscle, skeletal, humans, lactic acid, l-lactate dehydrogenase, creatine kinase, c-reactive protein, placebos, exercise, muscle contraction, male, randomized controlled trials as topic, optics and photonics, biomechanical phenomena, biomarkers, low-level light therapy
6 autores
- Ernesto César Pinto Leal‐Junior🇧🇷 · autor de correspondenciaUniversidade Nove de Julho
- Adriane Aver Vanin🇧🇷Universidade Nove de Julho
- Eduardo Foschini Miranda🇧🇷Universidade Nove de Julho
- Paulo de Tarso Camillo de Carvalho🇧🇷Universidade Nove de Julho
- Simone Dal Corso🇧🇷Universidade Nove de Julho
- Jan Magnus Bjordal🇳🇴University of Bergen
Resumen
El texto original del estudio, en el idioma en que se publicó.
Recent studies have explored if phototherapy with low-level laser therapy (LLLT) or narrow-band light-emitting diode therapy (LEDT) can modulate activity-induced skeletal muscle fatigue or subsequently protect against muscle injury. We performed a systematic review with meta-analysis to investigate the effects of phototherapy applied before, during and after exercises. A literature search was performed in Pubmed/Medline database for randomized controlled trials (RCTs) published from 2000 through 2012. Trial quality was assessed with the ten-item PEDro scale. Main outcome measures were selected as: number of repetitions and time until exhaustion for muscle performance, and creatine kinase (CK) activity to evaluate risk for exercise-induced muscle damage. The literature search resulted in 16 RCTs, and three articles were excluded due to poor quality assessment scores. From 13 RCTs with acceptable methodological quality (≥6 of 10 items), 12 RCTs irradiated phototherapy before exercise, and 10 RCTs reported significant improvement for the main outcome measures related to performance. The time until exhaustion increased significantly compared to placebo by 4.12 s (95% CI 1.21-7.02, p < 0.005) and the number of repetitions increased by 5.47 (95% CI 2.35-8.59, p < 0.0006) after phototherapy. Heterogeneity in trial design and results precluded meta-analyses for biochemical markers, but a quantitative analysis showed positive results in 13 out of 16 comparisons. The most significant and consistent results were found with red or infrared wavelengths and phototherapy application before exercises, power outputs between 50 and 200 mW and doses of 5 and 6 J per point (spot). We conclude that phototherapy (with lasers and LEDs) improves muscular performance and accelerate recovery mainly when applied before exercise.
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