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Li BM, Zhang CK, He JH, Liu YQ, Bao XY, Li FH. The Effects of Photobiomodulation on Knee Function, Pain, and Exercise Tolerance in Older Adults: A Meta-analysis of Randomized Controlled Trials. Arch Phys Med Rehabil 2024; 105:593-603. [PMID: 37419235 DOI: 10.1016/j.apmr.2023.06.016] [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: 04/15/2023] [Revised: 06/22/2023] [Accepted: 06/27/2023] [Indexed: 07/09/2023]
Abstract
OBJECTIVE To assess whether photobiomodulation therapy (PBMT) enhances the benefits of exercise in older adults. DATA SOURCES PubMed, Scopus, Medline, and Web of Science, dated to February 2023. STUDY SELECTION All included studies were randomized controlled trials of PBMT combined with exercise co-intervention in persons 60 years and older. OUTCOME MEASURES Western Ontario and McMaster University Osteoarthritis Index (WOMAC-total, pain, stiffness and function), perceived pain intensity, timed Up and Go (TUG) Test, 6-min walk test (6MWT), muscle strength, and knee range of motion were included. DATA EXTRACTION Two researchers independently performed data extraction. Article data were extracted in Excel and summarized by a third researcher. DATA SYNTHESIS The meta-analysis included 14 of the 1864 studies searched in the database. No statistical differences were found between the treatment and control groups in terms of WOMAC-stiffness (mean difference [MD]=-0.31, 95% confidence interval [CI] -0.64 to 0.03), TUG (MD=-0.17, 95% CI -0.71 to 0.38), 6MWT (MD=32.2, 95% CI -44.62 to 109.01), or muscle strength (standardized mean difference=0.24, 95% CI -0.02 to 0.50). However, statistically significant differences were found for WOMAC-total (MD=-6.83, 95% CI -12.3 to -1.37), WOMAC-pain (MD=-2.03, 95% CI -4.06 to -0.01), WOMAC-function (MD=-5.03, 95% CI -9.11 to -0.96), visual analog scale/numeric pain rating scale (MD=-1.24, 95% CI -2.43 to -0.06), and knee range of motion (MD=1.47, 95% CI 0.07 to 2.88). CONCLUSIONS In older adults who exercise regularly, PBMT can potentially provide additional pain relief, improve knee joint function, and increase knee joint range of motion.
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Affiliation(s)
- Bo-Ming Li
- School of Sport Sciences, Nanjing Normal University, Nanjing, China
| | - Chen-Kai Zhang
- School of Sport Sciences, Nanjing Normal University, Nanjing, China
| | - Jia-Han He
- School of Sport Sciences, Nanjing Normal University, Nanjing, China
| | | | | | - Fang-Hui Li
- School of Sport Sciences, Nanjing Normal University, Nanjing, China.
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Serighelli F, De Oliveira Silva D, Reginato GA, Pocai BL, Vieira DD, Carvalho ARD. Can photobiomodulation improve quadriceps strength and endurance outcomes in asymptomatic adults? A double-blind randomized controlled trial. J Bodyw Mov Ther 2024; 37:94-100. [PMID: 38432848 DOI: 10.1016/j.jbmt.2023.11.025] [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: 06/01/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 03/05/2024]
Abstract
AIM To explore the effect of photobiomodulation on quadriceps strength and endurance torques in asymptomatic adults. METHODS Twenty-eight asymptomatic adults were randomized to one of two interventions: photobiomodulation (n = 14) or sham (n = 14). Quadriceps strength was evaluated by maximum voluntary isometric contraction test (60°) and endurance by an elastic resistance in multiple-set knee extension/flexion repetitions using a traction dynamometer. The outcomes were measured at three time points: pre-baseline; baseline and; final assessment. The photobiomodulation was applied to the quadriceps and triceps surae muscles of each participant's dominant lower limb, using a cluster with 1 infrared laser diode and 3 led amber of 170 mW for 240 s over four consecutive days. The sham group went through the same procedures, but the equipment was off, and patients and assessors were blinded to the intervention. Reliability and minimal detectable change of the measures were obtained from the pre-baseline and baseline time points. Differences between interventions were tested by an analysis of covariance. RESULTS AND DISCUSSION There was no difference between photobiomodulation compared to sham in maximum isometric torque (mean difference (95% CI) = 0.008 (-0.29 to 0.31) and endurance torques (mean difference (95% CI) = 0.04 (-0.03 to 0.12). The mean difference was lower than the minimal detectable change for the maximum isometric torque (1.02 Nm.kg-1) and endurance torque (0.49 Nm.kg-1). CONCLUSION Photobiomodulation does not improve quadriceps strength and endurance outcomes in asymptomatic adults.
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Affiliation(s)
- Fernanda Serighelli
- UNIOESTE - Universidade Estadual do Oeste do Paraná, CCBS - Centro de Ciências Biológicas e da Saúde, Cascavel, Paraná, Brazil; La Trobe University, La Trobe Sport and Exercise Medicine Research Centre, Melbourne, Victoria, Australia.
| | - Danilo De Oliveira Silva
- La Trobe University, La Trobe Sport and Exercise Medicine Research Centre, Melbourne, Victoria, Australia
| | - Giovana Aita Reginato
- UNIOESTE - Universidade Estadual do Oeste do Paraná, CCBS - Centro de Ciências Biológicas e da Saúde, Cascavel, Paraná, Brazil
| | - Bruna Lehmkuhl Pocai
- UNIOESTE - Universidade Estadual do Oeste do Paraná, CCBS - Centro de Ciências Biológicas e da Saúde, Cascavel, Paraná, Brazil
| | - Dennis Damian Vieira
- UNIOESTE - Universidade Estadual do Oeste do Paraná, CCBS - Centro de Ciências Biológicas e da Saúde, Cascavel, Paraná, Brazil
| | - Alberito Rodrigo de Carvalho
- UNIOESTE - Universidade Estadual do Oeste do Paraná, CCBS - Centro de Ciências Biológicas e da Saúde, Cascavel, Paraná, Brazil
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Bezerra LO, de Macedo LES, da Silva MLA, de Oliveira JMP, de Morais Gouveia GP, de Andrade PR, Micussi MTABC. Effects of photobiomodulation therapy on the functional performance of healthy individuals: a systematic review with meta-analysis. Lasers Med Sci 2023; 39:17. [PMID: 38150056 DOI: 10.1007/s10103-023-03956-2] [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: 09/28/2023] [Accepted: 12/14/2023] [Indexed: 12/28/2023]
Abstract
The aim of this study is to assess the effect of photobiomodulation therapy (PBMT) on functional performance concerning strength, fatigue, and functional capacity in healthy individuals. This systematic review with meta-analysis involved searches on data platforms and active searches of randomized clinical trials, focusing on PBMT as the sole intervention. Primary outcomes assessed included strength, fatigue, and functional capacity. Three reviewers screened studies by title and abstract using Rayyan, and data were extracted using a specific form. Bias risk was assessed using RoB2, and confidence in the evidence was evaluated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE). The RevMan was used for meta-analysis. Sixteen studies were included, totaling 340 individuals (183 males and 157 women). Most articles presented a low risk of bias. Variability was observed in device types and application domains, including wavelengths (655-905 nm), power (10-200 nW), energy (0.6-30 J per point), and time (30-100 s per point). PBMT improved fatigue recovery (mean difference: 5.87; 95% CI 3.83, 7.91). There was no enhancement in strength (peak torque: mean difference 12.40; 95% CI -5.55, 30.55; one-repetition maximum test: mean difference 39.97, 95% CI -2.44, 82.38; isometric and isokinetic strength: mean difference 2.77, 95% CI -14.90, 20.44) nor improvement in short-term (mean difference 0.67, 95% CI -0.58, 1.91) and long-term (mean difference 18.44, 95% CI -55.65, 92.54) functional capacity. PBMT may aid in favoring fatigue recovery in healthy individuals; however, there's no evidence to support PBMT enhancing strength or improving functional capacity.
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Affiliation(s)
- Lívia Oliveira Bezerra
- Departamento de Fisioterapia, Programa de Pós-Graduação em Fisioterapia na Universidade Federal do Rio Grande Do Norte, Natal, Rio Grande do Norte, Brasil
| | - Luiza Eduarda Silva de Macedo
- Departamento de Fisioterapia da Universidade Federal do Rio Grande do Norte, Av Senador Salgado Filho, S/N. Campus Universitário - Lagoa Nova, Natal, 59078-970, Rio Grande do Norte, Brasil
| | - Maria Letícia Araújo da Silva
- Departamento de Fisioterapia da Universidade Federal do Rio Grande do Norte, Av Senador Salgado Filho, S/N. Campus Universitário - Lagoa Nova, Natal, 59078-970, Rio Grande do Norte, Brasil
| | - Joyce Maria Pereira de Oliveira
- Departamento de Fisioterapia da Universidade Federal do Rio Grande do Norte, Av Senador Salgado Filho, S/N. Campus Universitário - Lagoa Nova, Natal, 59078-970, Rio Grande do Norte, Brasil
| | | | | | - Maria Thereza Albuquerque Barbosa Cabral Micussi
- Departamento de Fisioterapia, Programa de Pós-Graduação em Fisioterapia na Universidade Federal do Rio Grande Do Norte, Natal, Rio Grande do Norte, Brasil.
- Departamento de Fisioterapia da Universidade Federal do Rio Grande do Norte, Av Senador Salgado Filho, S/N. Campus Universitário - Lagoa Nova, Natal, 59078-970, Rio Grande do Norte, Brasil.
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Pinto NC, de MVP, Ferreira NL, Braga NA, Aldred A, Gomes G, Freire GMG, Ashmawi HA, Chacur M. Customized Photobiomodulation Modulates Pain and Alters Thermography Pattern in Patients with Knee Osteoarthritis: A Randomized Double-Blind Pilot Study. Photobiomodul Photomed Laser Surg 2022; 40:698-707. [DOI: 10.1089/photob.2022.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Nathali Cordeiro Pinto
- Bright Photomedicine Ltd., São Paulo, Brazil
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Marcelo Victor Pires de
- Bright Photomedicine Ltd., São Paulo, Brazil
- Department of Physics, Federal University of Ceará (UFC), Fortaleza, Brazil
- D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil
| | - Nathalia Lopes Ferreira
- Departamento de Anatomia, Laboratório de Neuroanatomia Funcional da Dor, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
- Departamento de Biofísica, Laboratório de Neuroendocrinologia do Estresse, Edifício de Ciências Biomédicas, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Natalia Almeida Braga
- Departamento de Anatomia, Laboratório de Neuroanatomia Funcional da Dor, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Alexandre Aldred
- Department of Science and R&D, Predikta Soluções em Pesquisa, São Paulo, Brazil
| | - Guilherme Gomes
- Department of Science and R&D, Predikta Soluções em Pesquisa, São Paulo, Brazil
- Department of Physics and Interdisciplinary Science, São Carlos Institute of Physics (IFSC), University of São Paulo (USP), São Carlos, Brazil
| | | | - Hazem Adel Ashmawi
- Anesthesiology Department, Faculdade; de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Marucia Chacur
- Departamento de Anatomia, Laboratório de Neuroanatomia Funcional da Dor, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
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Lopez TCC, Malavazzi TCDS, Rodrigues MFSD, Bach EE, Silva DT, Hi EMB, França CM, Bussadori SK, Mesquita-Ferrari RA, Fernandes KPS. Histological and biochemical effects of preventive and therapeutic vascular photobiomodulation on rat muscle injury. JOURNAL OF BIOPHOTONICS 2022; 15:e202100271. [PMID: 34978386 DOI: 10.1002/jbio.202100271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/26/2021] [Accepted: 12/24/2021] [Indexed: 06/14/2023]
Abstract
The intravascular or transcutaneous application of photobiomodulation (PBM) over blood vessels (vascular photobiomodulation, VPBM) has been used for the treatment of inflammatory and chronic conditions with promising systemic results. This study evaluated the VPBM effects on a model of muscle regeneration after acute injury and compared the outcomes of preventive and therapeutic VPBM. Transcutaneous VPBM was administered over the rat's main tail vein. Serum levels of creatine kinase (CK), aspartate aminotransferase (AST), and lactate were evaluated and muscles were processed for macroscopic and microscopic analysis. Preventive and therapeutic VPBM led to decreased inflammatory infiltrate, edema, and myonecrosis but with an increase in immature muscle fibers. CK, AST, and lactate levels were lower in the groups treated with VPBM (lowest concentrations in preventive VPBM application). Preventive and therapeutic VPBM were capable of exerting a positive effect on acute muscle injury repair, with more accentuated results when preventive VPBM was administered.
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Affiliation(s)
- Talita Christine Camillo Lopez
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, São Paulo, Brazil
| | | | | | | | - Daniela Teixeira Silva
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, São Paulo, Brazil
| | - Edgar Matias Bach Hi
- Experimental Biochemistry Academic Nucleum (NABEX), UNILUS (Centro Universitário Lusiada), Santos, São Paulo, Brazil
| | - Cristiane Miranda França
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, Oregon, USA
| | - Sandra Kalil Bussadori
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, São Paulo, Brazil
- Postgraduate Program in Rehabilitation Sciences, UNINOVE, São Paulo, São Paulo, Brazil
| | - Raquel Agnelli Mesquita-Ferrari
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, São Paulo, Brazil
- Postgraduate Program in Rehabilitation Sciences, UNINOVE, São Paulo, São Paulo, Brazil
| | - Kristianne Porta Santos Fernandes
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, São Paulo, Brazil
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Rodrigues CP, Jacinto JL, Roveratti MC, Merlo JK, Soares-Caldeira LF, Silva Ribeiro A, Nunes JP, Junior EDO, Aguiar AF. Effects of Photobiomodulation/Laser Therapy Combined With Resistance Training on Quadriceps Hypertrophy and Strength, and Postural Balance in Older Women: A Randomized, Triple-Blinded, Placebo-Controlled Study. J Geriatr Phys Ther 2021; 45:125-133. [PMID: 34054079 DOI: 10.1519/jpt.0000000000000313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND PURPOSE Physical and therapeutic strategies to maintain and rehabilitate skeletal muscle mass, strength, and postural balance are clinically relevant to improve the health, well-being, and quality of life of older adults. The purpose of this study was to investigate the effects of photobiomodulation (PBM)/laser therapy combined with a resistance training (RT) program on quadriceps hypertrophy and strength, and postural balance in older women. METHODS In a randomized, triple-blinded, placebo-controlled design, twenty-two older women (age 66.6 ± 5.2 years) were engaged in a supervised 10-wk RT program (2 times per week) involving unilateral leg extension exercise, in which each leg of the same participant was randomly assigned to receive active (λ = 808 nm, optical output = 100 mW, total energy = 42 J) or placebo laser PBM immediately before the RT sessions. Maximal dynamic strength by unilateral knee extension 1-repetition maximum (1RM), muscle hypertrophy by vastus lateralis muscle thickness, and postural balance by one-legged stance test on a force platform were assessed before and after the training program. RESULTS Significance statistical analysis revealed a similar improvement (time P = .003) from pre- to posttraining for muscle hypertrophy and strength, and postural balance between active and placebo laser conditions. However, clinical interpretation for muscle hypertrophy showed a moderate effect (effect size [ES] = 0.58) for the active laser and a small effect (ES = 0.38) for the placebo laser. Clinical difference was not noticed between conditions for other analyzed variables. CONCLUSIONS These findings indicate that RT alone can be clinically important for counteracting the deleterious effects of aging on muscle size, strength, and balance, and that applying laser PBM therapy before the RT sessions may further improve gains in muscle hypertrophy.
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Affiliation(s)
- Claudiane Pedro Rodrigues
- Center of Research in Health Sciences, Northern University of Paraná, Londrina, Paraná, Brazil. Department of Physical Education, State University of Londrina, Londrina, Paraná, Brazil
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Acute application of photobiomodulation does not bring important gains for the muscular performance and functionality of diabetic individuals. Lasers Med Sci 2020; 36:995-1002. [PMID: 32862403 DOI: 10.1007/s10103-020-03135-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/24/2020] [Indexed: 10/23/2022]
Abstract
Photobiomodulation therapy (PBMT) has been used to improve the physical performance of individuals with advanced age; however, there are no studies in the literature that support the application of light-emitting diode (LED) therapy for the muscular performance of individuals with diabetes mellitus who show a decline in functionality. The aim of the study was to analyze the acute effects of PBMT on strength and functional performance in type 2 diabetic individuals. Sixty-three volunteers were recruited and randomized into five groups: control (C), sham (S), red LED (R), infrared LED (IR), and red LED + infrared LED (R + IR). On the first day, the volunteers were evaluated using the time up and go (TUG), the 6-min walk test (6MWT), and isokinetic dynamometer of the ankle. In the following 3 days, groups R, IR, R + IR, and S returned for application of PBMT bilaterally, with 180 J of energy on each leg. On the fifth day, a reassessment was performed. There was no statistical difference between groups for the variables of the isokinetic dynamometer, TUG, and 6MWT. Analysis of the size of the clinical effect for the isokinetic variables showed that there was no pattern among the effects observed. There is a moderate effect in favor of R, IR, and R + IR in relation to C for the TUG and a moderate effect of R + IR in relation to C for the 6MWT. The PBMT applied for a short period does not bring important gains for the muscular performance and functionality of diabetic individuals.
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Analysis of low-level laser transmission at wavelengths 660, 830 and 904 nm in biological tissue samples. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 209:111914. [PMID: 32516626 DOI: 10.1016/j.jphotobiol.2020.111914] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 03/23/2020] [Accepted: 05/19/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND In recent decades, low-level laser therapy (LLLT) has occupied a prominent position and has been studied in various fields of knowledge, and your effects have been widely observed in studies about numerous tissues, such as tendons, peripheral nerves, cutaneous tissue, bone, and muscle, in different fields of knowledge. PURPOSE To analyze the power transmitted by low-level laser therapy (LLLT) to different tissue samples by using distinct wavelengths. METHODS Skin samples of rat (n = 7, 1.17-1.63 mm) and pig (n = 10; 1.20-2.30 mm); pig fat (n = 10; 2.71-14.01 mm) and pig muscle (n = 10; 1.91-8.91 mm) were analyzed and interposed between the emitter and the power analyzer sensor. All the samples were irradiated sequentially three times, at five equidistant points and average power levels of 35.34(±1.03), 32.40(±0.70), and 42.32(±0.82) mW, for the wavelengths 660, 830, and 904 nm, respectively. Transmitted radiation was measured with a power analyzer connected to a laser emitter. Statistical analysis was performed with a Shapiro-Wilk test followed by ANOVA with Tukey's post hoc test, with a significance level of 5%. RESULTS The transmitted power of LLLT on skin, fat, and muscle of tissues decreases with the increase of thicknesses, presenting minor attenuation on rat skin, pig fat, and pig muscle for 904 nm. The pig skin has the slight attenuation for 830 nm. CONCLUSION The LLLT should be applied after considering the transmission loss taking place in different anatomical structures, following the Beer-Lambert law and attenuation coefficient presented for more practical application in many fields.
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Are the ergogenic effects of photobiomodulation therapy age-dependent? A randomized double-blinded placebo-controlled trial. Lasers Med Sci 2019; 35:759-764. [PMID: 31025208 DOI: 10.1007/s10103-019-02790-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 04/12/2019] [Indexed: 10/27/2022]
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