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Neto RPM, Espósito LMB, da Rocha FC, Filho AAS, Silva JHG, de Sousa Santos EC, Sousa BLSC, dos Santos Gonçalves KRR, Garcia-Araujo AS, Hamblin MR, Ferraresi C. Photobiomodulation therapy (red/NIR LEDs) reduced the length of stay in intensive care unit and improved muscle function: A randomized, triple-blind, and sham-controlled trial. JOURNAL OF BIOPHOTONICS 2024; 17:e202300501. [PMID: 38262071 PMCID: PMC11065604 DOI: 10.1002/jbio.202300501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/06/2024] [Accepted: 01/08/2024] [Indexed: 01/25/2024]
Abstract
CONTEXT Photobiomodulation therapy (PBMT) has been widely used to improve strength, fatigue resistance and increase muscle mass in healthy individuals. These effects could help critically ill patients admitted to intensive care units (ICUs) who show reduced mobility and muscle strength. ICU-acquired weakness lessens overall health and increases the patient's length of stay in the ICU. OBJECTIVE This study evaluated the effects of PBMT using low intensity light-emitting diodes (LEDs) on the mobility and muscle strength (functional capacity) and length of stay of patients admitted to hospital ICU. METHODS This randomized, triple-blind, sham-controlled trial was conducted in a hospital ICU. Sixty patients were randomly assigned to two equal groups: (a) PBMT and (b) Sham. PBMT was applied daily to patients until their discharge from the ICU, using a flexible neoprene array of 264 LEDs (120 at 635 nm, 1.2 mW each; 144 at 880 nm, 15 mW each) for 90s (207.36 Joules) at each site. Ten sites were located bilaterally on the thighs, legs, arms, and forearms ventrally and dorsally, 15 min totaling 2,073.6 Joules per session. Outcomes were length of stay (in h) until discharge from the ICU, muscle strength by the Medical Research Council (MRC) score and handgrip dynamometry (HGD), patient mobility by Intensive Care Unit Mobility Scale (IMS) and the Simplified Acute Physiology Score 3 (SAPS 3) for predicting mortality of patients admitted to the ICU. RESULTS PBMT reduced the average length of stay in the ICU by ~30% (p = 0.028); increased mobility (IMS: 255% vs. 110% p = 0.007), increased muscle strength (MRC: 12% vs. -9% p = 0.001) and HGD (34% vs. -13% p < 0.001), and the SAPS3 score was similar (p > 0.05). CONCLUSION The results suggest that daily PBMT can reduce the length of stay of ICU patients and increase muscle strength and mobility.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Cleber Ferraresi
- Department of Physical Therapy, Federal University of Sao Carlos, Sao Carlos, Brazil
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Santos IA, Lemos MP, Puggina EF, Mota GR. Innovative integration: optimizing performance through warm-up and photobiomodulation in high-intensity test. Front Sports Act Living 2024; 6:1341106. [PMID: 38304418 PMCID: PMC10830741 DOI: 10.3389/fspor.2024.1341106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 01/04/2024] [Indexed: 02/03/2024] Open
Abstract
We investigated whether the application of photobiomodulation therapy (PBMT) immediately after a standardized warm-up (WU + PBMT) or traditional PBMT (no pre-warming) would influence performance in intermittent testing and intensity variables. In a counterbalanced randomized crossover design, twelve female futsal players (mean age: 23.9 ± 3.8 years) attended four sessions. Each session involved either a standardized warm-up or maintaining seated rest for five minutes. Subsequently, PBMT or placebo (with the PBMT device turned off) was applied, followed by the YoYo Intermittent Recovery Level 1 test (YYIR1) during which we assessed heart rate, rating of perceived exertion, and blood lactate levels. The performance in YYIIR1 was superior (p = 0.02) in the WU + PBMT condition (440.0 ± 59.0 m) compared to the WU + Placebo (353.3 ± 94.7 m), and placebo alone (no warm-up) (325.0 ± 67.2 m). We conclude that a combination of a specific warm-up before PBMT application improves high-intensity intermittent performance in amateur female futsal players without affecting intensity variables.
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Affiliation(s)
- Izabela A. Santos
- Graduate Program in Rehabilitation and Functional Performance, Ribeirao Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
- Exercise Physiology in Health and Human Performance Research Group, Department of Physical Education, University of Uberaba (UNIUBE), Uberaba, Brazil
| | - Marina Paiva Lemos
- Exercise Physiology in Health and Human Performance Research Group, Department of Physical Education, University of Uberaba (UNIUBE), Uberaba, Brazil
| | - Enrico Fuini Puggina
- Graduate Program in Rehabilitation and Functional Performance, Ribeirao Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Gustavo R. Mota
- Graduate Program in Rehabilitation and Functional Performance, Ribeirao Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
- Exercise Science, Health and Human Performance Research Group, Department of Sport Sciences, Institute of Health Sciences, Federal University of Triangulo Mineiro (UFTM), Uberaba, Brazil
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Lanferdini FJ, Baroni BM, Lazzari CD, Sakugawa RL, Dellagrana RA, Diefenthaeler F, Caputo F, Vaz MA. Effects of Photobiomodulation Therapy on Performance in Successive Time-to-Exhaustion Cycling Tests: A Randomized Double-Blinded Placebo-Controlled Trial. J Funct Morphol Kinesiol 2023; 8:144. [PMID: 37873903 PMCID: PMC10594465 DOI: 10.3390/jfmk8040144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/09/2023] [Accepted: 10/09/2023] [Indexed: 10/25/2023] Open
Abstract
The goal of this study was to investigate the effects of photobiomodulation therapy (PBMT) on performance, oxygen uptake (VO2) kinetics, and lower limb muscle oxygenation during three successive time-to-exhaustions (TTEs) in cyclists. This was a double-blind, randomized, crossover, placebo-controlled trial study. Sixteen cyclists (~23 years) with a cycling training volume of ~460 km/week volunteered for this study. In the first session, cyclists performed a maximal incremental test to determine maximal oxygen uptake and maximal power output (POMAX). In the following sessions, cyclists performed three consecutive TTEs at POMAX. Before each test, PBMT (135 J/thigh) or a placebo (PLA) was applied to both thighs. VO2 amplitude, O2 deficit, time delay, oxyhemoglobin (O2Hb), deoxyhemoglobin (HHb), and total hemoglobin (tHb) were measured during tests on the right vastus lateralis. The PBMT applied before three successive TTE increased performance of the first and second TTE (~10-12%) tests, speed of VO2 and HHb kinetics during the first test, and increased peripheral muscle oxygenation (increase in HHb and tHb) in the first and second exhaustion tests. However, the PBMT effects were attenuated in the third TTE, as performance and all the other outcomes were similar to the ones from the PLA intervention. In summary, PBMT application increased the first and second successive TTEs, speed of VO2, and muscle oxygenation.
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Affiliation(s)
- Fábio Juner Lanferdini
- Biomechanics Laboratory, Centro de Educação Física e Desportos, Universidade Federal de Santa Maria, Santa Maria 97105-900, Rio Grande do Sul, Brazil
| | - Bruno Manfredini Baroni
- Physical Therapy Department, Federal University of Health Sciences of Porto Alegre, Porto Alegre 90050-170, Rio Grande do Sul, Brazil;
| | - Caetano Decian Lazzari
- Biomechanics Laboratory, Centro de Educação Física e Desportes, Universidade Federal de Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil; (C.D.L.); (R.L.S.); (F.D.)
| | - Raphael Luiz Sakugawa
- Biomechanics Laboratory, Centro de Educação Física e Desportes, Universidade Federal de Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil; (C.D.L.); (R.L.S.); (F.D.)
| | - Rodolfo André Dellagrana
- Physical Education Department, State University of Ponta Grossa, Ponta Grossa 840030-900, Paraná, Brazil;
- Post-Graduate Program in Movement Sciences, Institute of Health (INISA), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Mato Grosso do Sul, Brazil
| | - Fernando Diefenthaeler
- Biomechanics Laboratory, Centro de Educação Física e Desportes, Universidade Federal de Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil; (C.D.L.); (R.L.S.); (F.D.)
| | - Fabrizio Caputo
- Human Performance Research Group, College of Health and Sport Science, Santa Catarina State University, Florianópolis 88080-350, Santa Catarina, Brazil;
| | - Marco Aurélio Vaz
- Exercise Research Laboratory, Escola de Educação Física, Fisioterapia e Dança, Universidade Federal do Rio Grande do Sul, Porto Alegre 90690-200, Rio Grande do Sul, Brazil;
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Scontri CMCB, de Castro Magalhães F, Damiani APM, Hamblin MR, Zamunér AR, Ferraresi C. Dose and time-response effect of photobiomodulation therapy on glycemic control in type 2 diabetic patients combined or not with hypoglycemic medicine: A randomized, crossover, double-blind, sham-controlled trial. JOURNAL OF BIOPHOTONICS 2023; 16:e202300083. [PMID: 37171054 PMCID: PMC10662441 DOI: 10.1002/jbio.202300083] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/21/2023] [Accepted: 05/09/2023] [Indexed: 05/13/2023]
Abstract
Photobiomodulation therapy (PBMt) combined or not with oral hypoglycemic medication has not been investigated in type 2 diabetes (T2DM) patients. All 10 T2DM patients were assessed randomly at 6 different occasions (3 with and 3 without regular oral hypoglycemic medication). Capillary glycemia was assessed after overnight fast (pre-prandial), 1 h postprandially (standardized meal, 338 kcal), and 30 min, 3 h, 6 h, 12 h post-PBMt (830 nm; 25 arrays of LEDs, 80 mW/array). Three doses (0 J-sham, 100 J, 240 J per site) were applied bilaterally on quadriceps femoris muscles, hamstrings, triceps surae, ventral upper arm and forearm; and randomly combined or not with oral hypoglicemic medication, totaling six different therapies applied for all 10 TDM2 patients (PBMt sham, PBMt 100 J, PBMt 240 J, PBMt sham + medication, PBMt 100 J + medication, PBMt 240 J + medication). Cardiac autonomic control was assessed by heart rate variability (HRV) indices. Without medication, there was reduction in glycemia after all PBMt doses, with 100 J as the best dose that persisted until 12 h and presented lower area under the curve (AUC). With medication, glycemia decreased similarly among doses. No differences between 100 J and sham + medication, but AUC was significantly lower after 100 J, suggesting better glycemic control. Low frequency component of HRV increased after sham + medication and 100 J, suggesting higher sympathetic activation. PBMt showed time- and dose-response effect to reduce glycemia in T2DM patients. Effects on HRV were consistent with glycemic control.
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Affiliation(s)
| | - Flávio de Castro Magalhães
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK - Diamantina, MG – Brazil
| | | | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028 – South Africa
| | - Antonio Roberto Zamunér
- Laboratory of Clinical Research in Kinesiology, Department of Kinesiology, Universidad Católica del Maule, Talca 34809112 – Chile
| | - Cleber Ferraresi
- Department of Physical Therapy, Federal University of Sao Carlos, Sao Carlos, SP – Brazil
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Ferreira PPR, Silva LFR, Dias-Peixoto MF, Cassilhas RC, Gripp F, Amorim FT, Mang ZA, Esteves EA, Tricoli VA, Ferraresi C, Magalhães FDC. Effects of the association of different volumes of strength training with photobiomodulation therapy on insulin resistance: A protocol for a randomized, triple-blind, placebo-controlled trial. Contemp Clin Trials Commun 2022; 29:100984. [PMID: 36052175 PMCID: PMC9424937 DOI: 10.1016/j.conctc.2022.100984] [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: 02/15/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 10/27/2022] Open
Abstract
Background Insulin resistance (IR) is the main risk factor for developing type 2 diabetes. Both strength training (ST) and photobiomodulation therapy (PBMt) reduce IR, but the effect of combining different volumes of ST with PBMt is unknown. Methods Overweight/obese individuals will be assigned to 4 groups (n = 12/group): ST with volume following international guidelines (3 sets per exercise - high volume) or one-third of this volume (1 set per exercise - low volume), combined with PBMt or placebo. ST will be performed for 20 sessions over 10 weeks and will consist of 7 exercises. The PBMt will be applied after training sessions using blankets with light emitters (LEDs) placed over the skin on the frontal and the posterior region of the body, following the parameters recommended by the literature. The placebo group will undergo an identical procedure, but blankets will emit insignificant light. To measure plasma glucose and insulin concentrations, oral glucose tolerance tests (OGTT) will be performed before and after the training period. Thereafter, IR, the area under the curve of glucose and insulin, and OGTT-derived indices of insulin sensitivity/resistance will be calculated. Expected impact on the field This study will determine the effects of different ST volumes on IR and whether the addition of PBMt potentiates the effects of ST. Because previously sedentary, obese, insulin-resistant individuals might not comply with recommended volumes of exercise, the possibility that adding PBMt to low-volume ST enhances ST effects on IR bears practical significance.
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Affiliation(s)
- Pedro Paulo Ribeiro Ferreira
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Luís Filipe Rocha Silva
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Marco Fabrício Dias-Peixoto
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Ricardo Cardoso Cassilhas
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Fernando Gripp
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Fabiano Trigueiro Amorim
- Department of Health, Exercise, and Sports Sciences, University of New Mexico, Albuquerque, NM, USA
| | - Zachary A Mang
- Department of Health, Exercise, and Sports Sciences, University of New Mexico, Albuquerque, NM, USA
| | - Elizabethe Adriana Esteves
- Department of Nutrition, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
| | - Valmor A Tricoli
- School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Cleber Ferraresi
- Deparment of Physical Therapy, Federal University of Sao Carlos, Sao Carlos, SP, Brazil
| | - Flávio de Castro Magalhães
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK, Diamantina, MG, Brazil
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Dose Response Effect of Photobiomodulation on Hemodynamic Responses and Glucose Levels in Men with Type 2 Diabetes: A Randomized, Crossover, Double-Blind, Sham-Controlled Trial. PHOTONICS 2022. [DOI: 10.3390/photonics9070481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This study verifies the acute dose response effect of photobiomodulation (PBM) by light emitting diodes (LEDs) on hemodynamic and metabolic responses in individuals with type 2 diabetes mellitus (T2DM). Thirteen participants with T2DM (age 52 ± 7 years) received PBM by a light-emitting diode array (50 GaAIAs LEDs, 850 ± 20 nm, 75 mW per diode) on the rectus and oblique abdomen, quadriceps femoris, triceps surae, and hamstring muscle areas, bilaterally, using different energy treatments (sham, 75, 150, 300, 450, and 600 Joules) in random order with a washout of at least 15 days apart. The PBM by LEDs statistically decreased plasma glucose levels (primary outcome) in 15 min after application of the 75 and 450 J irradiation protocol, reduced blood lactate levels 15 min after application of the 75, 450, and 600 J irradiation protocol, increased cardiac output (Q˙) and cardiac index (CI) in the 1st minute after application of the 75 and 300 J irradiation protocol, and reduced Q˙ and heart rate (HR) in the 15 min after application of the 300 J and 600 J irradiation protocol, respectively. For hemodynamic variables, including Q˙, total peripheral resistance (TPR), and HR, we observed that the ideal therapeutic window ranged between 75 and 300 J, while for metabolic variables, glucose and lactate, the variation was between 450 and 600 J.
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de Freitas VH, Mariano IM, Amaral AL, Rodrigues ML, Carrijo VHV, Puga GM. Effects of light-emitting diode therapy on cardiovascular and salivary nitrite responses in postmenopausal women submitted to a single bout of high-intensity interval training. Lasers Med Sci 2022; 37:2655-2665. [PMID: 35235082 DOI: 10.1007/s10103-022-03533-z] [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: 11/10/2021] [Accepted: 02/21/2022] [Indexed: 10/19/2022]
Abstract
The aim of the present study was to analyze the effects of light-emitting diode therapy (LEDT) on cardiovascular effort during a single bout of high-intensity interval training (HIIT) and on blood pressure (BP), salivary nitrite, and heart rate variability (HRV) responses after the exercise session in postmenopausal women. Sixteen postmenopausal women between 50 and 70 years of age participated in the present study. The intervention comprised two sessions: placebo plus HIIT and LEDT plus HIIT, with a 14-day interval between sessions. The oxygen uptake (VO2), heart rate (HR), and rating of perceived exertion (RPE) were monitored throughout the HIIT sessions. Salivary samples were taken before, immediately post, and 30' and 60' post-HIIT sessions for nitric oxide (NO) analysis. In addition, HR and BP were checked before, 15 min, 30 min, 45 min, and 60 min post-HIIT sessions. HR data were used to calculate the HRV indices. Cardiovascular parameters during HIIT and BP, HRV, and NO responses were not different between placebo and LEDT conditions (p > 0.05). BP responses increased after compared to pre-exercise (p < 0.01). HRV was impaired post- compared to pre-exercise (p < 0.05). LEDT did not improve physiological performance during HIIT and did not accelerate the recovery of BP and autonomic modulation or change the NO release after exercise in postmenopausal women.
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Affiliation(s)
- Victor Hugo de Freitas
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil.,Department of Physical Education, Federal University of Bahia, Salvador, BA, Brazil
| | - Igor Moraes Mariano
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil
| | - Ana Luiza Amaral
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil
| | - Mateus Lima Rodrigues
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil
| | - Victor Hugo Vilarinho Carrijo
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil
| | - Guilherme Morais Puga
- Faculty of Physical Education, Federal University of Uberlandia, Rua Benjamin Constant, 1286, Bairro: Aparecida, MG, 38400-678, Uberlândia, Brazil.
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Dutra YM, Claus GM, Malta EDES, Brisola GMP, Esco MR, Ferraresi C, Zagatto AM. Acute Photobiomodulation by LED Does Not Alter Muscle Fatigue and Cycling Performance. Med Sci Sports Exerc 2021; 52:2448-2458. [PMID: 32366796 DOI: 10.1249/mss.0000000000002394] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE The purpose of the present study was to investigate the ergogenic effects of two doses of photobiomodulation therapy (PBMT) in comparison to placebo on markers of respiratory and muscle activity, blood acid-base, ion and lactate concentrations, indicators of muscle fatigue (global, central, and peripheral), and time to exhaustion in severe-intensity cycling. METHODS Two separate studies were performed, both in a pseudorandomized and balanced, crossover design. In study 1, 14 male recreational cyclists completed three constant-load, severe-intensity cycling bouts that were duration matched. The PBMT (18 × 38 cm array with 200 diodes) treatments occurred before bouts at 260, 130, or 0 J (placebo) doses. EMG activity of selected lower limb musculature was assessed during each bout. Maximal voluntary contractions of knee extension with peripheral nerve stimulations and EMG activity evaluation of vastus lateralis was also performed before and after cycling. In study 2, 13 recreational cyclists performed three bouts of constant-load, severe-intensity cycling until exhaustion, preceded by PBMT as detailed previously. Blood lactate concentrations, respiratory responses, EMG activity, and capillary gasometry aspects were monitored. RESULTS In both studies, there were no interactions effects (time-condition) on the EMG activity, which was displayed as root mean square (P ≥ 0.168) and median frequency (P ≥ 0.055) during cycling. In study 1, there were no interaction effects on the indicators of muscle fatigue after exercise (P ≥ 0.130). In study 2, there were no differences on time to exhaustion (P = 0.353) and no interaction effects among the physiological responses monitored (P ≥ 0.082). CONCLUSIONS Based on our findings, the PBMT at 260- and 130-J doses does not have a beneficial effect on muscle fatigue, cycling performance, metabolic parameters, and muscle activity in male recreational cyclists.
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Affiliation(s)
- Yago Medeiros Dutra
- Laboratory of Physiology and Sport Performance (LAFIDE), São Paulo State University (UNESP), Bauru, SP, BRAZIL
| | - Gabriel Machado Claus
- Laboratory of Physiology and Sport Performance (LAFIDE), São Paulo State University (UNESP), Bauru, SP, BRAZIL
| | - Elvis DE Souza Malta
- Laboratory of Physiology and Sport Performance (LAFIDE), São Paulo State University (UNESP), Bauru, SP, BRAZIL
| | | | - Michael R Esco
- Exercise Physiology Laboratory, Department of Kinesiology, University of Alabama, Tuscaloosa, AL
| | - Cleber Ferraresi
- Biomedical Engineering Postgraduate Program, Universidade Brasil, São Paulo, SP, BRAZIL
| | - Alessandro Moura Zagatto
- Laboratory of Physiology and Sport Performance (LAFIDE), São Paulo State University (UNESP), Bauru, SP, BRAZIL
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Dutra YM, Claus GM, Malta EDS, Seda DMDF, Zago AS, Campos EZ, Ferraresi C, Zagatto AM. Photobiomodulation 30 min or 6 h Prior to Cycling Does Not Alter Resting Blood Flow Velocity, Exercise-Induced Physiological Responses or Time to Exhaustion in Healthy Men. Front Physiol 2021; 11:607302. [PMID: 33519511 PMCID: PMC7844325 DOI: 10.3389/fphys.2020.607302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/02/2020] [Indexed: 11/13/2022] Open
Abstract
Purpose The aim of the current study was to investigate the effects of photobiomodulation therapy (PBMT) applied 30 min or 6 h prior to cycling on blood flow velocity and plasma nitrite concentrations at rest, time to exhaustion, cardiorespiratory responses, blood acid-base balance, and K+ and lactate concentrations during exercise. Methods In a randomized, crossover design, 13 healthy untrained men randomly completed four cycling bouts until exhaustion at the severe-intensity domain (i.e., above respiratory compensation point). Thirty minutes or 6 h prior to the cycling trials, participants were treated with PBMT on the quadriceps, hamstrings, and gastrocnemius muscles of both limbs using a multi-diode array (11 cm × 30 cm with 264 diodes) at doses of 152 J or a sham irradiation (with device turned off, placebo). Blood samples were collected before and 30 min or 6 h after treatments to measure plasmatic nitrite concentrations. Doppler ultrasound exams of the femoral artery were also performed at the same time points. Cardiorespiratory responses, blood acid-base balance, and K+ and lactate concentrations were monitored during exercise sessions. Results PBMT did not improve the time to exhaustion (p = 0.30). At rest, no differences were found in the peak systolic velocity (p = 0.97) or pulsatility index (p = 0.83) in the femoral artery, and in plasma nitrite concentrations (p = 0.47). During exercise, there were no differences for any cardiorespiratory response monitored (heart rate, p = 0.15; oxygen uptake, p = 0.15; pulmonary ventilation, p = 0.67; carbon dioxide output, p = 0.93; and respiratory exchange ratio, p = 0.32), any blood acid-base balance indicator (pH, p = 0.74; base excess, p = 0.33; bicarbonate concentration, p = 0.54), or K+ (p = 0.22) and lactate (p = 0.55) concentrations. Conclusions PBMT at 152 J applied 30 min or 6 h before cycling at severe-intensity did not alter resting plasma nitrite and blood flow velocity in the femoral artery, exercise-induced physiological responses, or time to exhaustion in healthy untrained men.
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Affiliation(s)
- Yago Medeiros Dutra
- Post-Graduate Program in Movement Sciences, Laboratory of Physiology and Sport Performance (LAFIDE), Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil
| | - Gabriel Machado Claus
- Post-Graduate Program in Movement Sciences, Laboratory of Physiology and Sport Performance (LAFIDE), Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil
| | - Elvis de Souza Malta
- Post-Graduate Program in Movement Sciences, Laboratory of Physiology and Sport Performance (LAFIDE), Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil
| | - Daniela Moraes de Franco Seda
- Post-Graduate Program in Movement Sciences, Laboratory of Physiology and Sport Performance (LAFIDE), Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil
| | - Anderson Saranz Zago
- Post-Graduate Program in Movement Sciences, Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil
| | | | - Cleber Ferraresi
- Physical Therapy Department, Federal University of Sao Carlos (UFSCar), São Paulo, Brazil
| | - Alessandro Moura Zagatto
- Post-Graduate Program in Movement Sciences, Laboratory of Physiology and Sport Performance (LAFIDE), Department of Physical Education, School of Sciences, São Paulo State University - UNESP, Bauru, Brazil.,Department of Physical Education, Federal University of Pernambuco, Recife, Brazil
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Abreu JSDS, Dos Santos GV, Fonsati L, Marques NR, Ferraresi C. Time-Response of Photobiomodulation Therapy by Light-Emitting Diodes on Muscle Torque and Fatigue Resistance in Young Men: Randomized, Double-Blind, Crossover and Placebo-Controlled Study. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2020; 38:750-757. [PMID: 33227220 DOI: 10.1089/photob.2020.4813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: Photobiomodulation therapy (PBMT) by lasers or light-emitting diodes (LEDs) has been used in the last two decades to increase muscle performance in humans. The main findings of PBMT on muscle performance are increment in torque and number of muscle contractions, and fatigue resistance in high-intensity exercises. Although there are suggested light energies to be followed, the literature has also pointed out to a possible time-response of PBMT to increase exercise performance and recovery in humans. Objective: To investigate the possible time-response of PBMT by LEDs to increase muscle performance in young men regarding peak torque (PT), rate of torque development (RTD), fatigue resistance, and subjective perception of effort in maximal voluntary isometric contractions (MVIC) of elbow flexion. Methods: This randomized, double-blind, placebo-controlled, crossover trial with two arms enrolled 34 healthy and physically active young men, but 30 (21.10 ± 2.25 years old) completed all procedures. All volunteers were allocated into two equal arms (groups): PBMT (60 J; 1152 mW; 52 sec; and 166.75 cm2) applied on biceps brachii by a flexible array of LEDs, and placebo treatment. Each arm (n = 15) investigated the time-response (5 min, 1 h, 3 h, and 6 h) of PBMT in a randomized, double-blind, and crossover manner on the PT, RTD, fatigue resistance, and subjective perception of effort. Results: There were no significant results (p > 0.05) for all comparisons within and between groups regarding PT, RTD, fatigue resistance, and subjective perception of effort in MVIC of the elbow flexion in all time-response tested (5 min, 1 h, 3 h, and 6 h) before or after fatigue test. Only RTD did not decay significantly after fatigue test at all time-responses for PBMT group. Conclusions: PBMT was not effective to increase muscle performance and decrease fatigue to demonstrate the possible time-response in humans.
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Affiliation(s)
| | | | - Leonardo Fonsati
- Department of Physical Therapy, Universidade do Sagrado Coração (USC), Bauru, Brazil
| | - Nise Ribeiro Marques
- Department of Physical Therapy, Universidade do Sagrado Coração (USC), Bauru, Brazil
| | - Cleber Ferraresi
- Laboratory of Biophotonics and Exercise Performance, Universidade Brasil, Sao Paulo, Brazil
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Molina Correa JC, Padoin S, Varoni PR, Demarchi MC, Flores LJF, Nampo FK, de Paula Ramos S. Ergogenic Effects of Photobiomodulation on Performance in the 30-Second Wingate Test: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study. J Strength Cond Res 2020; 36:1901-1908. [PMID: 32796413 DOI: 10.1519/jsc.0000000000003734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Molina Correa, JC, Padoin, S, Varoni, PR, Demarchi, MC, Flores, LJ, Nampo, FK, and de Paula Ramos, S. Ergogenic effects of photobiomodulation on performance in the 30-second Wingate test: A randomized, double-blind, placebo-controlled, crossover study. J Strength Cond Res XX(X): 000-000, 2020-The purpose of this study was to evaluate the ergogenic effects of red light (630 nm) photobiomodulation on anaerobic capacity in the Wingate test. Sixteen healthy and physically active male volunteers (21.71 ± 2.49 years of age, body mass index between 18.5 and 24.9 kg/m) participated in this randomized, double-blind, placebo-controlled, crossover study. The subjects performed 3 Wingate test sessions, with a 48-hour interval between tests. In the first session (baseline session, BS), a Wingate test was performed to evaluate the initial performance. Subjects were paired by performance in the BS and allocated through a draw to receive either the phototherapy (630 nm, 4.6 J/cm, 6 J per point, 16 points, light-emitting diode [LED] session) or placebo intervention (PLA session) in the second test session. In the third test session, a crossover intervention was performed. The repeated-measures analysis of variance 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. The LED session with phototherapy promoted an increase in performance in peak power (p < 0.05), relative power (p < 0.05), RPMpeak (p < 0.05), and peak velocity (p < 0.05), as well as total displacement (p < 0.01) compared with PLA. The mean power (p < 0.05), relative power (p < 0.05), RPMmean (p < 0.01), and mean velocity (p < 0.01) were higher in the LED session than those of BS. We concluded that phototherapy improves performance in Wingate anaerobic exercise, possibly due to large effects on the anaerobic alactic metabolism.
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Affiliation(s)
- Julio C Molina Correa
- State University of Londrina, Londrina, Paraná, Brazil.,Research Group in Tissue Regeneration, Adaptation, and Repair, State University of Londrina, Londrina, Paraná, Brazil
| | - Susana Padoin
- State University of Londrina, Londrina, Paraná, Brazil.,Research Group in Tissue Regeneration, Adaptation, and Repair, State University of Londrina, Londrina, Paraná, Brazil
| | - Pedro R Varoni
- Department of Physical Education, State University of Western Paraná, Campus de Marechal Cândido Rondon, Marechal Cândido Rondon, Paraná, Brazil
| | - Michelli C Demarchi
- Department of Physical Education, State University of Western Paraná, Campus de Marechal Cândido Rondon, Marechal Cândido Rondon, Paraná, Brazil
| | - Lucinar J F Flores
- Research Group in Tissue Regeneration, Adaptation, and Repair, State University of Londrina, Londrina, Paraná, Brazil.,Department of Physical Education, State University of Western Paraná, Campus de Marechal Cândido Rondon, Marechal Cândido Rondon, Paraná, Brazil
| | - Fernando K Nampo
- Latin American Institute of Science of Life and Nature, Federal University of Latin American Integration, Foz do Iguaçu, Paraná, Brazil
| | - Solange de Paula Ramos
- Research Group in Tissue Regeneration, Adaptation, and Repair, State University of Londrina, Londrina, Paraná, Brazil
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de Carvalho G, Gobbi A, Gobbi RB, Alfredo DMN, do Carmo Furquim TH, Barbosa RI, Papoti M, de Jesus Guirro RR. Photobiomodulation by light emitting diode applied sequentially does not alter performance in cycling athletes. Lasers Med Sci 2020; 35:1769-1779. [DOI: 10.1007/s10103-020-02973-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 01/30/2020] [Indexed: 01/08/2023]
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Linares SN, Beltrame T, Ferraresi C, Galdino GAM, Catai AM. Photobiomodulation effect on local hemoglobin concentration assessed by near-infrared spectroscopy in humans. Lasers Med Sci 2019; 35:641-649. [PMID: 31420794 DOI: 10.1007/s10103-019-02861-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 08/09/2019] [Indexed: 02/05/2023]
Abstract
Exposure of biological tissue to photobiomodulation therapy (PBMT) seems to increase the oxygen availability and mitochondrial electrochemical activity. With the advancement of new technologies, such as near-infrared spectroscopy (NIRS), information can be obtained about the balance between oxygen utilization and delivery by assessing local oxy- ([O2Hb]) and deoxy-myohemoglobin ([HHb]) concentrations, both measured in micromolars (μM). Consequently, NIRS can be used to study ("in vivo") PBMT effects on the oxidative system, including oxygen availability. Thus, the main objective of the present study was to use NIRS to investigate the acute effects of PBMT by light-emitting diode (LED) on the oxygen delivery and utilization in humans. Twelve healthy young participants were treated with a LED device (850 nm, 50 mW, 2 J) and placebo applied over the proximal third of the flexor carpi ulnaris muscle of the left or right forearm selected in a random order. The LED was applied in direct contact with skin and the device was switched on for 40 s in 4 different interventions (I1, I2, I3 and I4) with a 3-min interval between interventions. The placebo condition was considered as the period before the first PBMT. The NIRS device was used to evaluate the relative changes in [O2Hb] and [HHb] before and after placebo and interventions. We found that PBMT statistically increased the [O2Hb] in 0.39 μM. These results demonstrate the potential of PBMT to increase oxygen availability.
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Affiliation(s)
- Stephanie Nogueira Linares
- Cardiovascular Physical Therapy Laboratory, Department of Physical Therapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| | - Thomas Beltrame
- Cardiovascular Physical Therapy Laboratory, Department of Physical Therapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil. .,Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil.
| | - Cleber Ferraresi
- Biomedical Engineering Postgraduate Program, Universidade Brasil, São Paulo, Brazil
| | - Gabriela Aguiar Mesquita Galdino
- Cardiovascular Physical Therapy Laboratory, Department of Physical Therapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| | - Aparecida Maria Catai
- Cardiovascular Physical Therapy Laboratory, Department of Physical Therapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil
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Pinto AP, Guimarães CL, Souza GADS, Leonardo PS, Neves MFD, Lima FPS, Lima MO, Lopes-Martins RAB. Sensory-motor and cardiorespiratory sensory rehabilitation associated with transcranial photobiomodulation in patients with central nervous system injury: Trial protocol for a single-center, randomized, double-blind, and controlled clinical trial. Medicine (Baltimore) 2019; 98:e15851. [PMID: 31232920 PMCID: PMC6636949 DOI: 10.1097/md.0000000000015851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Central nervous system diseases such as stroke, spinal cord injury, traumatic brain injury, and multiple sclerosis can be fatal or cause sequelae, affecting sensorimotor and cardiorespiratory systems and quality of life. These subjects present a low response to aerobic and resistance exercise, due to decreased recruitment of muscle fibers and reduction of metabolic capacity. Aerobic exercises bring benefits in terms of fatigue retardation, gait improvement, regulation of the autonomic nervous system, neuroprotection of the brain, stimulation of the production of endogenous neutrotransmitters related to general well-being, and a favoring of neuroplasticity. Photobiomodulation (PBM Therapy) (previously known as low-level laser therapy), and especially transcranial PBM Therapy, has shown benefits in animals and humans such as cognitive improvement, memory, and behavioral improvement, including attenuation of depression and anxiety, and increased cortical oxygenation. The aims of this trial will be to evaluate the parameters related to the function of the musculoskeletal and cardiorespiratory system and the impact of PBM therapy on these parameters, as part of a rehabilitation and training program for people with reduced mobility. METHODS This is a randomized, double-blind, placebo-controlled trial with 3 groups: Control, only cardiorespiratory rehabilitation (CCR), CCR with PBM Therapy (CR-PBM), CCR and placebo PBM Therapy (CR-PlaceboPBM). n = 90, 30 per group. PBM Therapy parameters: 810 nm laser, 0.028 cm, 100 mW, 3.5 W/cm, 30 seconds per point, 3 J per point, 107.1 J /cm to 3 electroencephalogram points F7 and F8 and AFz. The trial will be conducted at the University Clinics and the sessions will be 1 hour twice a week for 9 weeks. Baseline, intermediate (4th week), final (9th week), and 2-month follow-up will be performed. Muscular activation, heart rate variability, lung volumes and capacities, fatigability, exercise tolerance, cognition, and quality of life at baseline will be evaluated. Subsequent to baseline evaluations, the PBM Therapy groups will be offered laser therapy (active or inactive); all groups will then receive CCR. TRIAL REGISTRATION NUMBER ClinicalTrials.gov ID - NCT03751306 (approval date: November 22, 2018).
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Affiliation(s)
| | | | | | | | | | | | | | - Rodrigo Alvaro Brandão Lopes-Martins
- Laboratório de Engenharia de Reabilitação Sensório Motora
- Laboratório de Biofotônica e Terapêutica Experimental, Instituto de Pesquisa e Desenvolvimento, Universidade do Vale do Paraíba, São José dos Campos, São Paulo, Brazil
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Leal-Junior ECP, Lopes-Martins RÁB, Bjordal JM. Clinical and scientific recommendations for the use of photobiomodulation therapy in exercise performance enhancement and post-exercise recovery: current evidence and future directions. Braz J Phys Ther 2018; 23:71-75. [PMID: 30591412 DOI: 10.1016/j.bjpt.2018.12.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 12/10/2018] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND There is about ten years since the first randomized controlled trial looking for the effects of photobiomodulation therapy using low-level laser therapy and/or light emitting diodes therapy in athletic performance enhancement was published. Since then, the knowledge in this field has increasing exponentially. OBJECTIVE Given the fast advance in clinical interest, research and development in the use of photobiomodulation therapy for athletic performance enhancement and also to accelerate post-exercise recovery, as pioneers in this research field we felt the need to establish recommendations to ensure the correct use of the therapy, and also to guide the further studies in this area looking for the achievement of highest scientific evidence. It is important to highlight that the establishment of both clinical and scientific recommendations in this masterclass article were based on the most recent systematic reviews with meta-analysis and randomized controlled trials published in this field. It is important to stress that the recommendations of this masterclass article are based on most recent systematic reviews with meta-analysis and RCTs published in this research field. Future guidelines must follow the same direction and must be based only at the highest scientific evidence, avoiding overstatements and extrapolations based on animal experiments and case-studies.
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Affiliation(s)
- Ernesto Cesar Pinto Leal-Junior
- Laboratory of Phototherapy and Innovative Technologies in Health, Universidade Nove de Julho (UNINOVE), São Paulo, SP, Brazil; Postgraduate Program in Rehabilitation Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, SP, Brazil.
| | - Rodrigo Álvaro Brandão Lopes-Martins
- Laboratory of Biophotonics and Experimental Therapeutics, Institute of Research and Development, Universidade Vale do Paraíba, São José dos Campos, SP, Brazil
| | - Jan Magnus Bjordal
- Physiotherapy Research Group, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
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