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Laser therapy and fatigue

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https://www.readbyqxmd.com/read/30056586/acute-effect-of-photobiomodulation-therapy-on-handgrip-strength-of-chronic-kidney-disease-patients-during-hemodialysis
#1
Fabrício Edler Macagnan, Bruno Manfredini Baroni, Érika Zanchet Cristofoli, Marília Godoy, Jociane Schardong, Rodrigo Della Méa Plentz
Pre-exercise photobiomodulation therapy (PBMT) reduces fatigue and enhances performance in different populations. However, PBMT benefits have never been tested on chronic kidney disease (CKD) patients, who present muscle weakness, fatigue, and reduced functional performance. The objective of this study was to evaluate the acute effect of three different doses of the PBMT on maximal handgrip strength of CKD patients. Fifteen volunteers (58 ± 8 years, 10 male/5 female) under chronic hemodialysis treatment (6 ± 4 years) participated in a randomized, crossover, double-blind, placebo-controlled trial...
July 29, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29953026/administration-of-low-level-laser-on-muscles-of-mastication-following-the-induction-of-initial-fatigue-protocol-for-a-randomized-controlled-clinical-trial
#2
RANDOMIZED CONTROLLED TRIAL
Greice de Brito Bitencourt, Marcela Leticia Leal Gonçalves, Fernanda Yukie Kobayashi, Lara Jansiski Motta, Daniela Fátima Teixeira da Silva, Fabiano Politti, Leandro Paulino Feliciano, Raquel Agnelli Mesquita-Ferrari, Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori
BACKGROUND: Orofacial pain encompasses painful conditions, such as temporomandibular disorder (TMD). Multidisciplinary health teams seek to control such musculoskeletal disorders to improve the quality and functional capacity of the muscles of mastication. The aim of the proposed study is to evaluate the effect of low-level laser therapy as a form of treatment for the prevention of initial fatigue of the muscles of mastication (masseter and anterior temporal muscles) as well as the recovery of these muscles after induced exhaustion (caused by isometric contraction) in young adults...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29455305/photobiomodulation-pbm-therapy-at-904-nm-mitigates-effects-of-exercise-induced-skeletal-muscle-fatigue-in-young-women
#3
Renata Luri Toma, Murilo Xavier Oliveira, Ana Cláudia Muniz Renno, E-Liisa Laakso
Muscle fatigue is a process influenced by several mechanisms such as concentration of metabolic substrates, changes in blood flow, and increases in reactive oxygen species that impair contractile muscle function. In this context, photobiomodulation has been investigated for preventing muscle fatigue, with reports of positive effects on muscle performance. This study aimed to investigate the effects of 904-nm LASER photobiomodulation on rectus femoris muscle performance in young women. Eighteen young women participated in a randomized, participant and assessor-blinded crossover trial with placebo control...
August 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29119418/low-level-laser-therapy-improves-the-vo-2-kinetics-in-competitive-cyclists
#4
RANDOMIZED CONTROLLED TRIAL
Fábio J Lanferdini, Renata L Krüger, Bruno M Baroni, Caetano Lazzari, Pedro Figueiredo, Alvaro Reischak-Oliveira, Marco A Vaz
Some evidence supports that low-level laser therapy (LLLT) reduces neuromuscular fatigue, so incrementing sports performance. A previous randomized controlled trial of our group showed increased exercise tolerance in male competitive cyclists treated with three different LLLT doses (3, 6, and 9 J/diode; or 135, 270, and 405 J/thigh) before time-to-exhaustion cycling tests. Now, the present study was designed to evaluate the effects of these LLLT doses on the VO2 kinetics of athletes during cycling tests. Twenty male competitive cyclists (29 years) participated in a crossover, randomized, double-blind, and placebo-controlled trial...
April 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29099680/pre-exercise-infrared-photobiomodulation-therapy-810-nm-in-skeletal-muscle-performance-and-postexercise-recovery-in-humans-what-is-the-optimal-power-output
#5
RANDOMIZED CONTROLLED TRIAL
Adriano Rodrigues de Oliveira, Adriane Aver Vanin, Shaiane Silva Tomazoni, Eduardo Foschini Miranda, Gianna Móes Albuquerque-Pontes, Thiago De Marchi, Vanessa Dos Santos Grandinetti, Paulo Roberto Vicente de Paiva, Treice Beatriz Gonçalves Imperatori, Paulo de Tarso Camillo de Carvalho, Jan Magnus Bjordal, Ernesto Cesar Pinto Leal-Junior
BACKGROUND: Photobiomodulation therapy (PBMT) has recently been used to alleviate postexercise muscle fatigue and enhance recovery, demonstrating positive results. A previous study by our research group demonstrated the optimal dose for an infrared wavelength (810 nm), but the outcomes could be optimized further with the determination of the optimal output power. OBJECTIVE: The aim of the present study was to evaluate the effects of PBMT (through low-level laser therapy) on postexercise skeletal muscle recovery and identify the best output power...
November 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28422520/improvement-of-performance-and-reduction-of-fatigue-with-low-level-laser-therapy-in-competitive-cyclists
#6
RANDOMIZED CONTROLLED TRIAL
Fábio J Lanferdini, Rodrigo R Bini, Bruno M Baroni, Kelli D Klein, Felipe P Carpes, Marco A Vaz
Evidence indicates that low-level laser therapy (LLLT) minimizes fatigue effects on muscle performance. However, the ideal LLLT dosage to improve athletes'performance during sports activities such as cycling is still unclear. Therefore, the goal of this study was to investigate the effects of different LLLT dosages on cyclists'performance in time-to-exhaustion tests. In addition, the effects of LLLT on the frequency content of the EMG signals to assess fatigue mechanisms were examined. Twenty male competitive cyclists participated in a crossover, randomized, double-blind, placebo-controlled trial...
January 1, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28157138/expectancy-reduces-symptoms-but-not-functional-impairment-following-exercise-induced-musculoskeletal-injury
#7
William C Hedderson, Geoffrey C Dover, Steven Z George, Joshua A Crow, Paul A Borsa
OBJECTIVES: To quantify the extent to which the participant-provider interaction influences the response to sham treatment following exercised-induced acute musculoskeletal pain. MATERIALS AND METHODS: In total, 40 participants between the ages of 18 and 35 volunteered for the study. Participants came to the laboratory for 3 test sessions 48-hour apart (day 1, 3, and 5). During the initial session, baseline measures were assessed and participants underwent a fatigue protocol for the biceps brachii...
January 2018: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27874264/photobiomodulation-in-human-muscle-tissue-an-advantage-in-sports-performance
#8
REVIEW
Cleber Ferraresi, Ying-Ying Huang, Michael R Hamblin
Photobiomodulation (PBM) describes the use of red or near-infrared (NIR) light to stimulate, heal, and regenerate damaged tissue. Both preconditioning (light delivered to muscles before exercise) and PBM applied after exercise can increase sports performance in athletes. This review covers the effects of PBM on human muscle tissue in clinical trials in volunteers related to sports performance and in athletes. The parameters used were categorized into those with positive effects or no effects on muscle performance and recovery...
December 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/27638148/low-level-laser-therapy-reduces-the-fatigue-index-in-the-ankle-plantar-flexors-of-healthy-subjects
#9
RANDOMIZED CONTROLLED TRIAL
Clécio Gabriel de Souza, Daniel Tezoni Borges, Liane de Brito Macedo, Jamilson Simões Brasileiro
Low-level laser therapy (LLLT) has been suggested as a resource capable of increasing resistance to fatigue and enhancing muscle performance through its metabolic and photochemical effects. This study evaluated the immediate effects of the application of LLLT on neuromuscular performance of the plantar ankle flexors in healthy subjects through a fatigue-induced protocol. This is a randomized controlled clinical trial, attended by 60 young and physically active volunteers of both genders. The subjects were randomly assigned into three groups, control, placebo, and laser, and underwent a preliminary evaluation of the isokinetic performance of plantar flexors and electromyographic activity of the soleus muscle to ensure homogeneity between groups...
December 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27575834/pre-exercise-infrared-low-level-laser-therapy-810%C3%A2-nm-in-skeletal-muscle-performance-and-postexercise-recovery-in-humans-what-is-the-optimal-dose-a-randomized-double-blind-placebo-controlled-clinical-trial
#10
RANDOMIZED CONTROLLED TRIAL
Adriane Aver Vanin, Thiago De Marchi, S S Tomazoni, Olga Tairova, Heliodora Leão Casalechi, Paulo de Tarso Camillo de Carvalho, Jan Magnus Bjordal, Ernesto Cesar Leal-Junior
AIM: This study aimed to evaluate the medium-term effects of low-level laser therapy (LLLT or photobiomodulation) in postexercise skeletal muscle recovery and performance enhancement and to identify the optimal dose of 810 nm LLLT. MATERIALS AND METHODS: A randomized, double-blind, placebo-controlled trial was performed, with voluntary participation of 28 high-level soccer athletes. We analyzed maximum voluntary contraction (MVC), delayed onset muscle soreness (DOMS), creatine kinase (CK) activity, and interleukin-6 (IL-6) expression...
October 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27434086/muscle-fatigue-from-the-perspective-of-a-single-crossbridge
#11
REVIEW
Edward P Debold, Robert H Fitts, Christopher W Sundberg, Thomas M Nosek
The repeated intense stimulation of skeletal muscle rapidly decreases its force- and motion-generating capacity. This type of fatigue can be temporally correlated with the accumulation of metabolic by-products, including phosphate (Pi) and protons (H). Experiments on skinned single muscle fibers demonstrate that elevated concentrations of these ions can reduce maximal isometric force, unloaded shortening velocity, and peak power, providing strong evidence for a causative role in the fatigue process. This seems to be due, in part, to their direct effect on muscle's molecular motor, myosin, because in assays using isolated proteins, these ions directly inhibit myosin's ability to move actin...
November 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27299571/effects-of-low-level-laser-therapy-lllt-808-nm-on-lower-limb-spastic-muscle-activity-in-chronic-stroke-patients
#12
Marcele Florêncio das Neves, Mariana César Ribeiro Dos Reis, Eliana Aparecida Fonseca de Andrade, Fernanda Pupio Silva Lima, Renata Amadei Nicolau, Emília Ângela Loschiavo Arisawa, Adriano Oliveira Andrade, Mário Oliveira Lima
A cerebrovascular accident (CVA) may affect basic motor functions, including spasticity that may be present in the upper extremity and/or the lower extremity, post-stroke. Spasticity causes pain, muscle force reduction, and decreases the time to onset of muscle fatigue. Several therapeutic resources have been employed to treat CVA to promote functional recovery. The clinical use of low-level laser therapy (LLLT) for rehabilitation of muscular disorders has provided better muscle responses. Thus, the aim of this study was to evaluate the effect of the application of LLLT in spastic muscles in patients with spasticity post-CVA...
September 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27258805/laser-therapy-and-muscle-fatigue-a-promising-research-area
#13
EDITORIAL
Rodrigo Alvaro B Lopes-Martins, Fernando Pazzelo Mafra, Gilberto De Nucci
No abstract text is available yet for this article.
July 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27250715/low-level-laser-therapy-associated-with-a-strength-training-program-on-muscle-performance-in-elderly-women-a-randomized-double-blind-control-study
#14
RANDOMIZED CONTROLLED TRIAL
Renata Luri Toma, Patrícia Gabrielli Vassão, Livia Assis, Hanna Karen Moreira Antunes, Ana Claudia Muniz Renno
The aging process leads to a gradual loss of muscle mass and muscle performance, leading to a higher functional dependence. Within this context, many studies have demonstrated the benefits of a combination of physical exercise and low level laser therapy (LLLT) as an intervention that enhances muscle performance in young people and athletes. The aim of this study was to evaluate the effects of combination of LLLT and strength training on muscle performance in elderly women. For this, a hundred elderly women were screened, and 48 met all inclusion criteria to participate in this double-blind placebo-controlled trial...
August 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27250713/acute-effects-of-low-level-laser-therapy-irradiation-on-blood-lactate-and-muscle-fatigue-perception-in-hospitalized-patients-with-heart-failure-a-pilot-study
#15
RANDOMIZED CONTROLLED TRIAL
Caroline Bublitz, Ana Claudia Muniz Renno, Rodrigo Santin Ramos, Livia Assis, Carlos Alberto Cyrillo Sellera, Renata Trimer, Audrey Borghi-Silva, Ross Arena, Solange Guizilini
The objective of the present study is to evaluate the acute effects of low-level laser therapy (LLLT) on functional capacity, perceived exertion, and blood lactate in hospitalized patients with heart failure (HF). Patients diagnosed with systolic HF (left ventricular ejection fraction <45 %) were randomized and allocated prospectively into two groups: placebo LLLT group (n = 10)-subjects who were submitted to placebo laser and active LLLT group (n = 10)-subjects who were submitted to active laser...
August 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27050245/photobiomodulation-therapy-improves-performance-and-accelerates-recovery-of-high-level-rugby-players-in-field-test-a-randomized-crossover-double-blind-placebo-controlled-clinical-study
#16
RANDOMIZED CONTROLLED TRIAL
Henrique D Pinto, Adriane A Vanin, Eduardo F Miranda, Shaiane S Tomazoni, Douglas S Johnson, Gianna M Albuquerque-Pontes, Ivo de O Aleixo, Vanessa Dos S Grandinetti, Heliodora L Casalechi, Paulo de Tarso C de Carvalho, Ernesto Cesar P Leal
Pinto, HD, Vanin, AA, Miranda, EF, Tomazoni, SS, Johnson, DS, Albuquerque-Pontes, GM, de Oliveira Aleixo Junior, I, Grandinetti, VdS, Casalechi, HL, de Tarso Camillo de Carvalho, P, and Pinto Leal Junior. Photobiomodulation therapy improves performance and accelerates recovery of high-level rugby players in field test: A randomized, crossover, double-blind, placebo-controlled clinical study. J Strength Cond Res 30(12): 3329-3338, 2016-Although growing evidence supports the use of photobiomodulation therapy (PBMT) for performance and recovery enhancement, there have only been laboratory-controlled studies...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26942660/using-pre-exercise-photobiomodulation-therapy-combining-super-pulsed-lasers-and-light-emitting-diodes-to-improve-performance-in-progressive-cardiopulmonary-exercise-tests
#17
Eduardo Foschini Miranda, Adriane Aver Vanin, Shaiane Silva Tomazoni, Vanessa dos Santos Grandinetti, Paulo Roberto Vicente de Paiva, Caroline dos Santos Monteiro Machado, Kadma Karênina Damasceno Soares Monteiro, Heliodora Leão Casalechi, Paulo de Tarso, Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
CONTEXT: Skeletal muscle fatigue and exercise performance are novel areas of research and clinical application in the photobiomodulation field, and positive outcomes have been reported in several studies; however, the optimal measures have not been fully established. OBJECTIVE: To assess the acute effect of photobiomodulation therapy (PBMT) combining superpulsed lasers (low-level laser therapy) and light-emitting diodes (LEDs) on muscle performance during a progressive cardiopulmonary treadmill exercise test...
February 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/26893563/peen-treatment-on-a-titanium-implant-effect-of-roughness-osteoblast-cell-functions-and-bonding-with-bone-cement
#18
Morshed Khandaker, Shahram Riahinezhad, Fariha Sultana, Melville B Vaughan, Joshua Knight, Tracy L Morris
Implant failure due to poor integration of the implant with the surrounding biomaterial is a common problem in various orthopedic and orthodontic surgeries. Implant fixation mostly depends upon the implant surface topography. Micron to nanosize circular-shaped groove architecture with adequate surface roughness can enhance the mechanical interlock and osseointegration of an implant with the host tissue and solve its poor fixation problem. Such groove architecture can be created on a titanium (Ti) alloy implant by laser peening treatment...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/26728940/medical-and-surgical-interventions-for-the-treatment-of-usual-type-vulval-intraepithelial-neoplasia
#19
REVIEW
Theresa A Lawrie, Andy Nordin, Manas Chakrabarti, Andrew Bryant, Sonali Kaushik, Litha Pepas
BACKGROUND: Usual-type vulval intraepithelial neoplasia (uVIN) is a pre-cancerous condition of the vulval skin. Also known as high-grade VIN, VIN 2/3 or high-grade vulval squamous intraepithelial lesion (HSIL), uVIN is associated with high-risk subtype human papilloma virus (HPV) infection. The condition causes distressing vulval symptoms in the majority of affected women and may progress to vulval cancer, therefore is usually actively managed. There is no consensus on the optimal management of uVIN...
January 5, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/26580889/treatment-of-periorbital-veins-with-long-pulse-nd-yag-laser
#20
David L Chen, Joel L Cohen
Periorbital veins (POVs) are a common cosmetic concern. Anatomically, POVs are formed by superficial facial veins that start from the bridge of the nose, travel as supraorbital and infraorbital veins, and join venous branches from the lateral forehead and scalp. In patients with fair skin, or in patients whose facial skin is atrophied, POVs can become prominent. This can lead to a fatigued appearance, with perceived "dark circles" around the patients' eyes. Previously described surgical therapies for prominent POVs are invasive and can leave unsightly scars, and sclerotherapy has been reported to lead to embolization that could lead to blindness...
November 2015: Journal of Drugs in Dermatology: JDD
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