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do Nascimento AP, de Oliveira GA, Bressanin JPB, Aguirra P, Ribeiro AS, Caldeira LFS, Casonatto J, Ferraresi C, Aguiar AF. Acute dose-response effect of photobiomodulation therapy on 5-km running performance in trained runners: a randomized, double-blind, placebo-controlled, crossover study. Lasers Med Sci 2024; 39:145. [PMID: 38819613 DOI: 10.1007/s10103-024-04099-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
Photobiomodulation therapy (PBMT) has been advocated as a potential intervention to improve muscle performance and recovery in the health and sports context. However, the short- and long-term effects of PBMT on endurance running performance remain under-researched and controversial. The purpose of this study was to investigate the acute dose-response effect of PBMT with light-emitting diodes (LEDs) on endurance performance and rating of perceived exertion (RPE; 6-20 Borg) during a 5-km running trial in recreational runners. In a crossover design, eighteen young adult runners (28.7 ± 7.8 years) were randomized to receive 1 of 4 PBMT conditions (placebo, 300, 900, and 1260 Joules [J]) 60 min before the 5-km running trial on four occasions, separated by a 2-wk washout period. The treatments were applied to the quadriceps, hamstrings, and gastrocnemius muscles of both legs using a device containing 200 LEDs (100 red and 100 infrared). The following variables were assessed: endurance performance (i.e. total time, mean velocity, and velocity in the split distances at the initial 200 m and every 400 m lap) and RPE in the split distances at the initial 200 m and every 400 m lap. Data normality and homogeneity were tested using Shapiro-Wilk's and Levene's tests, respectively. Differences between treatment conditions were assessed using the analysis of variance tests (one- or two-way ANOVA, depending on the comparisons), complemented by the Bonferroni post hoc test. There were significant time effects for the running velocity and RPE in the split distances (p < 0.0001), with no significant treatment-by-time interaction (running velocity, p = 0.59; RPE, p = 0.95). The mean velocity (p = 0.997), total time (p = 0.998), and total mean of the RPE (p = 0.91) were similar between treatment conditions. In conclusion, acute PBMT with LEDs at doses of 300, 900, and 1260 J is not recommended for improving endurance performance and RPE in the 5-km running trial in recreational runners.
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Affiliation(s)
- Ana Paula do Nascimento
- Postgraduate Program in Human Movement Sciences, State University of Northern Paraná (UENP), Jacarezinho, Paraná, Brazil
- Postgraduate Program in Rehabilitation Sciences, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil
| | - Giani Alves de Oliveira
- Postgraduate Program in Human Movement Sciences, State University of Northern Paraná (UENP), Jacarezinho, Paraná, Brazil
| | - João Pedro Beguetto Bressanin
- Postgraduate Program in Human Movement Sciences, State University of Northern Paraná (UENP), Jacarezinho, Paraná, Brazil
| | - Pablo Aguirra
- Postgraduate Program in Human Movement Sciences, State University of Northern Paraná (UENP), Jacarezinho, Paraná, Brazil
| | - Alex Silva Ribeiro
- Postgraduate Program in Physical Exercise in Health Promotion, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil
| | | | - Juliano Casonatto
- Postgraduate Program in Physical Exercise in Health Promotion, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil
- Postgraduate Program in Rehabilitation Sciences, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil
| | - Cleber Ferraresi
- Photobiomodulation Laboratory (FotoBioLab), Department of Physical Therapy, Postgraduate Program in Physical Therapy, Universidade Federal de São Carlos (UFSCar), São Carlos, SP;, Brazil
| | - Andreo Fernando Aguiar
- Postgraduate Program in Human Movement Sciences, State University of Northern Paraná (UENP), Jacarezinho, Paraná, Brazil.
- Postgraduate Program in Physical Exercise in Health Promotion, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil.
- Postgraduate Program in Rehabilitation Sciences, Northern University of Paraná (UNOPAR), Londrina, Paraná, Brazil.
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de Carvalho Rotoly G, Papoti M, Foresti YF, de Oliveira Guirro EC, Guirro RRJ. Influence of photobiomodulation therapy on the physical performance of women during the follicular phase of the menstrual cycle: A double-blind Sham-controlled randomized clinical trial. Lasers Med Sci 2023; 38:173. [PMID: 37530880 DOI: 10.1007/s10103-023-03840-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 07/25/2023] [Indexed: 08/03/2023]
Abstract
To evaluate the effects of photobiomodulation on the physical performance of healthy women, considering the menstrual cycle. 27 physically active healthy women (age 25.68 ± 3.99 years; mass 63.76 ± 12.77 kg; height 1.65 ± 0.59 cm) during the initial follicular phase (FF1 and FF2) of the menstrual cycle underwent performance evaluations, through a supramaximal test, subjective perception of exertion, blood lactate, and evaluations in the isokinetic dynamometer. Photobiomodulation (PBM) (200J) and Sham (0J) therapy were applied 10 min before the performance evaluations on the quadriceps femoris, hamstrings, and triceps surae muscles. A significance level of 5% was adopted and the effect size was calculated by Cohen's d. It was not possible to observe a significant difference (p > 0.05) in any of the performance variables evaluated in the comparison between groups, only small effects for total distance, final subjective perception of exertion, lactate peak and lactate delta in the PBM group. PBM did not improve muscle performance, resistance to fatigue, perceived exertion, and blood lactate concentrations during a predominantly anaerobic test in healthy women during the FF of the menstrual cycle.
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Affiliation(s)
- Gabriela de Carvalho Rotoly
- Post-Graduate Program in Rehabilitation and Functional Performance, Department of Health Sciences, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Marcelo Papoti
- Post-Graduate Program in Physical Education and Sport, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Yan Figueiredo Foresti
- Post-Graduate Program in Physical Education and Sport, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Elaine Caldeira de Oliveira Guirro
- Post-Graduate Program in Rehabilitation and Functional Performance, Department of Health Sciences, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Rinaldo Roberto Jesus Guirro
- Post-Graduate Program in Rehabilitation and Functional Performance, Department of Health Sciences, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.
- Departamento de Ciências da Saúde, Faculdade de Medicina de Ribeirão Preto, Avenida Bandeirantes, 3900, Ribeirão Preto, SP, 14049-900, Brazil.
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Flores LJF, de Souza Campos F, Baumann L, Weber MG, Barazetti LK, Nampo FK, de Paula Ramos S. Photobiomodulation does not improve anaerobic performance in well-trained cyclists. Lasers Med Sci 2023; 38:134. [PMID: 37294341 DOI: 10.1007/s10103-023-03803-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
To determine if photobiomodulation (PBM) has ergogenic effects on the anaerobic performance of well-trained cyclists. Fifteen healthy male road or mountain bike cyclists participated in this randomized, double-blinded, placebo-controlled, crossover study. Athletes were randomly assigned to receive photobiomodulation (630 nm, 4.6 J/cm2, 6 J per point, 16 points, PBM session) or placebo intervention (PLA session) in the first session. The athletes then performed a 30-s Wingate test to determine mean and peak average power, relative power, mean and peak velocity, mean and peak RPM, fatigue index, total distance, time to peak power, explosive strength, and power drop. After 48 h, athletes returned to the laboratory for the crossover intervention. The repeated-measures ANOVA test followed by Bonferroni post hoc test or Friedman test with Dunn's post hoc test (p < 0.05), and Cohen's d statistic were used for comparisons. Performance in the Wingate test was not significantly different (p > 0.05) between PBM and PLA sessions for any variable. Only a small effect size was detected for time to peak power (-0.40; 1.11 to 0.31) and explosive strength (0.38; -0.34 to 1.09). We conclude that irradiation with red light, under a low energy density, does not promote ergogenic effects on the anaerobic performance of cycling athletes.
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Affiliation(s)
| | | | - Lucielle Baumann
- State University of Western Paraná, Marechal Cândido Rondon, Brazil
| | | | - Lilian Keila Barazetti
- Department of Physical Education, State University of Western Paraná, Marechal Cândido Rondon, Brazil
| | | | - Solange de Paula Ramos
- Study Group in Tissue Regeneration, Adaptation, and Repair, State University of Londrina, Londrina, Brazil.
- Universidade Estadual de Londrina, Rodovia Celso Garcia Cid PR 445, km 380, Campus Universitário, Bairro Porta de Versalhes I, Londrina, Paraná, CEP 86055-990, Brazil.
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Dutra YM, Malta ES, Elias AS, Broatch JR, Zagatto AM. Deconstructing the Ergogenic Effects of Photobiomodulation: A Systematic Review and Meta-analysis of its Efficacy in Improving Mode-Specific Exercise Performance in Humans. Sports Med 2022; 52:2733-2757. [PMID: 35802348 DOI: 10.1007/s40279-022-01714-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Photobiomodulation therapy (PBMT) is defined as non-thermal electromagnetic irradiation through laser or light-emitting diode sources. In recent decades, PBMT has attracted attention as a potential preconditioning method. The current meta-analysis was conducted to assess the effectiveness of PBMT in improving mode-specific exercise performance in healthy young adults. METHODS A computerized literature search was conducted, ending on 15 May 2022. The databases searched were PubMed, Cochrane Central Register of Controlled Trials, Embase, SPORTDiscus, and the Physiotherapy Evidence Database. Inclusion/exclusion criteria limited articles to crossover, double-blind, placebo-controlled studies investigating the PBMT effects as a preconditioning method. The included trials were synthesized according to exercise mode (single-joint, cycling, running, and swimming). All results were combined using the standardized mean differences (SMDs) method and the 95% confidence intervals (CIs) were described. RESULTS A total of 37 individual studies, employing 78 exercise performance measurements in 586 participants, were included in the analyses. In single-joint exercises, PBMT improved muscle endurance performance (SMD 0.27, 95% CI 0.12-0.41; p < 0.01) but not muscle strength performance (p = 0.92). In cycling, PBMT improved time to exhaustion performance (SMD 0.35, 95% CI 0.10-0.59; p < 0.01) but had no effect on all-out sprint performance (p = 0.96). Similarly, PBMT had no effect on time to exhaustion (p = 0.10), time-trial (p = 0.61), or repeated-sprint (p = 0.37) performance in running and no effect on time-trial performance in swimming (p = 0.81). CONCLUSION PBMT improves muscle endurance performance in single-joint exercises and time to exhaustion performance in cycling but is not effective for muscle strength performance in single-joint exercises, running, or swimming performance metrics.
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Affiliation(s)
- Yago M Dutra
- Department of Physical Education, Laboratory of Physiology and Sport Performance (LAFIDE), School of Sciences, Sao Paulo State University (UNESP), Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa, Bauru, SP, 17033-360, Brazil
| | - Elvis S Malta
- Department of Physical Education, Laboratory of Physiology and Sport Performance (LAFIDE), School of Sciences, Sao Paulo State University (UNESP), Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa, Bauru, SP, 17033-360, Brazil
| | - Amanda S Elias
- Department of Physical Education, Laboratory of Physiology and Sport Performance (LAFIDE), School of Sciences, Sao Paulo State University (UNESP), Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa, Bauru, SP, 17033-360, Brazil
| | - James R Broatch
- Institute for Health and Sport (iHeS), Victoria University, Footscray, VIC, Australia.,Australia Institute of Sport, Bruce, ACT, Australia
| | - Alessandro M Zagatto
- Department of Physical Education, Laboratory of Physiology and Sport Performance (LAFIDE), School of Sciences, Sao Paulo State University (UNESP), Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Vargem Limpa, Bauru, SP, 17033-360, Brazil.
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Teixeira CL, Mezzaroba PV, Peserico CS, Machado FA. Effect of photobiomodulation on maximal lactate production rate on swimmers: a randomized, crossover, double-blind and placebo-controlled study. MOTRIZ: REVISTA DE EDUCACAO FISICA 2022. [DOI: 10.1590/s1980-6574202200017121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Affiliation(s)
- Cesar Luis Teixeira
- Universidade Estadual do Oeste do Paraná, Brazil; Fundação Faculdade de Filosofia, Brazil
| | | | | | - Fabiana Andrade Machado
- Universidade Estadual de Maringá, Brazil; Universidade Estadual de Maringá, Brazil; Universidade Estadual de Maringá, Brazil
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Ailioaie LM, Litscher G. Photobiomodulation and Sports: Results of a Narrative Review. Life (Basel) 2021; 11:1339. [PMID: 34947870 PMCID: PMC8706093 DOI: 10.3390/life11121339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 11/24/2021] [Accepted: 11/30/2021] [Indexed: 11/17/2022] Open
Abstract
Benefits of photobiomodulation (PBM) have been known for several decades. More recently, PBM applied in sports offers a special chance to support the modeling of the performance and recovery. Increasingly complex physical activities and fierce competition in the world of sports generate a state of psycho-emotional and physical stress that can induce chronic fatigue syndrome, failure in physical training, predisposition to muscle damage, physical and emotional exhaustion etc., for which PBM could be an excellent solution. To evaluate and identify all risk factors and the influence of PBM on health and performance in sport and for a better understanding of its effects, we did a search for "Photobiomodulation and Sports" on PubMed, to update the PBM science applied in sports, and we retained for analysis the articles published from 2014 to date. The term "PBM" is recent, and we did not include previous studies with "low level laser therapy" or "LLLT" before 2014. In the present research, PBM has been shown to have valuable protective and ergogenic effects in 25 human studies, being the key to success for high performance and recovery, facts supported also by 22 animal studies. PBM applied creatively and targeted depending on sport and size of the level of physical effort could perfectly modulate the mitochondrial activity and thus lead to remarkable improvements in performance. PBM with no conclusive results or without effects from this review (14 studies from a total of 39 on humans) was analyzed and we found the motivations of the authors from the perspective of multiple causes related to technological limitations, participants, the protocols for physical activity, the devices, techniques and PBM parameters. In the near future, dose-response experiments on physical activity should be designed and correlated with PBM dose-response studies, so that quantification of PBM parameters to allow the energy, metabolic, immune, and neuro-endocrine modulation, perfectly coupled with the level of training. There is an urgent need to continuously improve PBM devices, delivery methods, and protocols in new ingenious future sports trials. Latest innovations and nanotechnologies applied to perform intracellular signaling analysis, while examining extracellular targets, coupled with 3D and 4D sports motion analysis and other high-tech devices, can be a challenge to learn how to maximize PBM efficiency while achieving unprecedented sports performance and thus fulfilling the dream of millions of elite athletes.
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Affiliation(s)
- Laura Marinela Ailioaie
- Department of Medical Physics, Alexandru Ioan Cuza University, 11 Carol I Boulevard, 700506 Iasi, Romania;
| | - Gerhard Litscher
- Research Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine, Research Unit for Complementary and Integrative Laser Medicine, and Traditional Chinese Medicine (TCM) Research Center Graz, Medical University of Graz, Auenbruggerplatz 39, 8036 Graz, Austria
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