Dose-response effect of photobiomodulation therapy on neuromuscular economy during submaximal running
Dellagrana RA, Rossato M, Sakugawa RL, Lazzari CD, Baroni BM, Diefenthaeler F
Lasers in medical science · 19 citas
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2017-11-03 · Lasers Med Sci · vol. 33 · número 2 · págs. 329–336
- Editorial
- Springer Science+Business Media
- Citado
- 24 citas · más que el 86% de estudios similares · 2.1× el promedio de su campo
- Referencias
- 31 trabajos
- Acceso
- De pago
- Áreas de investigación
- Laser Applications in Dentistry and Medicine · Sports Performance and Training · Lower Extremity Biomechanics and Pathologies
- Palabras clave
- low-level laser therapy, submaximal running, exercise dose-response, muscle activation, recreational runners, lower limb muscles, magnitude-based inference
- MeSH
- leg, muscle, skeletal, humans, electromyography, double-blind method, dose-response relationship, radiation, running, isometric contraction, torque, adult, male, low-level light therapy
6 autores
- Rodolfo André Dellagrana🇧🇷Universidade Federal de Santa Catarina
- Mateus Fortes Rossato🇧🇷Universidade Federal de Santa Catarina; Universidade Federal do Amazonas
- Raphael Luiz Sakugawa🇧🇷Universidade Federal de Santa Catarina
- Caetano Decian Lazzari🇧🇷Universidade Federal de Santa Catarina
- Bruno Manfredini Baroni🇧🇷Universidade Federal de Ciências da Saúde de Porto Alegre
- Fernando Diefenthaeler🇧🇷 · autor de correspondenciaUniversidade Federal de Santa Catarina
Resumen
El texto original del estudio, en el idioma en que se publicó.
The purpose of this study was to verify the photobiomodulation therapy (PBMT) effects with different doses on neuromuscular economy during submaximal running tests. Eighteen male recreational runners participate in a randomized, double-blind, and placebo-controlled trial, which each participant was submitted to the same testing protocol in five conditions: control, placebo, and PBMT with doses of 15, 30, and 60 J per site (14 sites in each lower limb). The submaximal running was performed at 8 and 9 km h-1 during 5 min for each velocity. Muscle activation of the vastus lateralis (VL), vastus medialis (VM), rectus femoris (RF), biceps femoris (BF), and gastrocnemius lateralis (GL) was collected during the last minute of each running test. The root mean square (RMS) was normalized by maximal isometric voluntary contraction (MIVC) performed a priori in an isokinetic dynamometer. The RMS sum of all muscles (RMSLEG) was considered as main neuromuscular economy parameter. PBMT with doses of 15, 30, and 60 J per site [33 diodes = 5 lasers (850 nm), 12 LEDs (670 nm), 8 LEDs (880 nm), and 8 LEDs (950 nm)] or placebo applications occurred before running tests. For the statistical analysis, the effect size was calculated. Moreover, a qualitative inference was used to determine the magnitude of differences between groups. Peak torque and RMS during MIVCs showed small effect sizes. According to magnitude-based inference, PBMT with dose of 15 J per site showed possibly and likely beneficial effects on neuromuscular economy during running at 8 and 9 km h-1, respectively. On other hand, PBMT with doses of 30 and 60 J per site showed possible beneficial effects only during running at 9 km h-1. We concluded that PBMT improve neuromuscular economy and the best PBMT dose was 15 J per site (total dose of 420 J).
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