Blar i Bergen Open Research Archive på forfatter "Bjordal, Jan Magnus"
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Comparison between cold water immersion therapy (CWIT) and light emitting diode therapy (LEDT) in short-term skeletal muscle recovery after high-intensity exercise in athletes—preliminary results
Leal Junior, Ernesto Cesar Pinto; de Godoi, Vanessa; Mancalossi, José Luis; Rossi, Rafael Paolo; De Marchi, Thiago; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2010-11-19)In the last years, phototherapy has becoming a promising tool to improve skeletal muscle recovery after exercise, however, it was not compared with other modalities commonly used with this aim. In the present study we ... -
The effect of low-level laser irradiation (Ga-Al-AsP - 660nm) on in vitro and in vivo melanoma
Frigo, Lúcio; Luppi, Juliana S. S.; Favero, Giovani M.; Maria, Durnavei A.; Penna, Sócrates C.; Bjordal, Jan Magnus; Bensadoun, Rene J.; Lopes-Martins, Rodrigo Álvaro Brandão (Peer reviewed; Journal article, 2009-11-20)Background It has been speculated that the biostimulatory effect of Low Level Laser Therapy could cause undesirable enhancement of tumor growth in neoplastic diseases. The aim of the present study is to analyze the behavior ... -
Effects of photobiomodulation therapy on inflammatory mediators in patients with chronic non-specific low back pain: Protocol for a randomized placebo-controlled trial
Tomazoni, Shaiane Silva; Costa, Leonardo O.P.; Joensen, Jon; Stausholm, Martin Bjørn; Naterstad, Ingvill Fjell; Leal-Junior, Ernesto Cesar Pinto; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2019)Introduction: Low back pain (LBP) is ranked as one of the most prevalent health conditions. It is likely that some inflammatory mediators could be associated with pain and disability in these patients. Photobiomodulation ... -
Efficacy of low-level laser therapy on pain and disability in knee osteoarthritis: Systematic review and meta-analysis of randomised placebo-controlled trials
Stausholm, Martin Bjørn; Naterstad, Ingvill Fjell; Joensen, Jon; Lopes-Martins, Rodrigo Álvaro Brandão; Sæbø, Humaira; Lund, Hans; Fersum, Kjartan; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2019)Objectives: Low-level laser therapy (LLLT) is not recommended in major knee osteoarthritis (KOA) treatment guidelines. We investigated whether a LLLT dose–response relationship exists in KOA. Design: Systematic review and ... -
An experimental study of low-level laser therapy in rat Achilles tendon injury
Joensen, Jon; Gjerdet, Nils Roar; Hummelsund, Steinar; Iversen, Vegard Vereide; Lopes-Martins, Rodrigo Álvaro Brandão; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2011-05-06)The aim of this controlled animal study was to investigate the effect of low-level laser therapy (LLLT) administered 30 min after injury to the Achilles tendon. The study animals comprised 16 Sprague Dawley male rats divided ... -
Impact of a Multifaceted and Clinically Integrated Training Program in Evidence-Based Practice on Knowledge, Skills, Beliefs and Behaviour among Clinical Instructors in Physiotherapy: A Non-Randomized Controlled Study
Olsen, Nina Rydland; Bradley, Peter; Espehaug, Birgitte; Nortvedt, Monica Wammen; Lygren, Hildegunn; Frisk, Bente; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2015-04-20)Background and Purpose: Physiotherapists practicing at clinical placement sites assigned the role as clinical instructors (CIs), are responsible for supervising physiotherapy students. For CIs to role model evidence- based ... -
Infrared (810-nm) low-level laser therapy on rat experimental knee inflammation
Pallotta, Rodney Capp; Bjordal, Jan Magnus; Frigo, Lúcio; Leal Junior, Ernesto Cesar Pinto; Teixeira, Simone; Marcos, Rodrigo Labat; Ramos, Luciano; Messias, Felipe de Moura; Lopes-Martins, Rodrigo Álvaro Brandão (Peer reviewed; Journal article, 2011-04-12)Arthritis of the knee is the most common type of joint inflammatory disorder and it is associated with pain and inflammation of the joint capsule. Few studies address the effects of the 810-nm laser in such conditions. ... -
Neglect of relevant treatment recommendations in the conduct and reporting of a laser therapy knee osteoarthritis trial: letter to the editor
Stausholm, Martin Bjørn; Bjordal, Jan Magnus (Journal article; Peer reviewed, 2021)We read with interest the article by Gomes et al. entitled: “Exercise program combined with electrophysical modalities in subjects with knee osteoarthritis: A randomised, placebo-controlled clinical trial”. Gomes et al. ... -
Photobiomodulation therapy does not decrease pain and disability in people with non-specific low back pain: a systematic review
Tomazoni, Shaiane Silva; Almeida, Matheus Oliveira; Bjordal, Jan Magnus; Stausholm, Martin Bjørn; dos Santos Monteiro Machado, Caroline; Leal, Ernesto Cesar Pinto Jr; Costa, Leonardo Oliveira Pena (Journal article; Peer reviewed, 2020)Question: In people with non-specific low back pain (LBP), what are the effects of photobiomodulation therapy (PBMT) on pain, disability and other outcomes when compared with no intervention, sham PBMT and other treatments, ... -
Red (660 nm) and infrared (830 nm) low-level laser therapy in skeletal muscle fatigue in humans: what is better?
Almeida, Patrícia de; Lopes-Martins, Rodrigo Álvaro Brandão; De Marchi, Thiago; Tomazoni, Shaiane Silva; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2011-07-22)In animal and clinical trials low-level laser therapy (LLLT) using red, infrared and mixed wavelengths has been shown to delay the development of skeletal muscle fatigue. However, the parameters employed in these studies ... -
Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials
Bjordal, Jan Magnus; Johnson, Mark I.; Lopes-Martins, Rodrigo Álvaro Brandão; Bogen, Bård; Chow, Robert; Ljunggren, Anne Elisabeth (Peer reviewed; Journal article, 2007-06-22)Background: Treatment efficacy of physical agents in osteoarthritis of the knee (OAK) pain has been largely unknown, and this systematic review was aimed at assessing their short-term efficacies for pain relief. Methods: ... -
Skin Penetration Time-Profiles for Continuous 810nm and Superpulsed 904nm Lasers in a Rat Model
Joensen, Jon; Øvsthus, Knut; Reed, Rolf K.; Hummelsund, Steinar; Iversen, Vegard Vereide; Lopes-Martins, Rodrigo Álvaro Brandão; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2012-11-26)Objective: The purpose of this study was to investigate the rat skin penetration abilities of two commercially available low-level laser therapy (LLLT) devices during 150 sec of irradiation. Background data: Effective LLLT ... -
Superpulsed low-level laser therapy protects skeletal muscle of mdx mice against damage, inflammation and morphological changes delaying dystrophy progression
Leal, Ernesto Cesar Pinto Jr; de Almeida, Patrícia; Tomazoni, Shaiane Silva; de Carvalho, Paulo de Tarso Camillo; Lopes-Martins, Rodrigo Alvaro Brandao; Frigo, Lúcio; Joensen, Jon; Johnson, Mark I.; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2014-03-05)Aim: To evaluate the effects of preventive treatment with low-level laser therapy (LLLT) on progression of dystrophy in mdx mice. Methods: Ten animals were randomly divided into 2 experimental groups treated with superpulsed ... -
A systematic review with procedural assessments and meta-analysis of Low Level Laser Therapy in lateral elbow tendinopathy (tennis elbow)
Bjordal, Jan Magnus; Lopes-Martins, Rodrigo Álvaro Brandão; Joensen, Jon; Couppe, Christian; Ljunggren, Anne Elisabeth; Stergioulas, Apostolos; Johnson, Mark I. (Peer reviewed; Journal article, 2008-05-29)Background: Recent reviews have indicated that low level level laser therapy (LLLT) is ineffective in lateral elbow tendinopathy (LET) without assessing validity of treatment procedures and doses or the influence of prior ... -
The Thermal Effects of Therapeutic Lasers with 810 and 904nm Wavelengths on Human Skin
Joensen, Jon; Demmink, Jan Hendrik; Johnson, Mark I.; Iversen, Vegard Vereide; Lopes-Martins, Rodrigo Álvaro Brandão; Bjordal, Jan Magnus (Peer reviewed; Journal article, 2011-03-06)Objective: To investigate the effect of therapeutic infrared class 3B laser irradiation on skin temperature in healthy participants of differing skin color, age, and gender. Background: Little is known about the potential ... -
What is the ideal dose and power output of low-level laser therapy (810 nm) on muscle performance and post-exercise recovery? Study protocol for a double-blind, randomized, placebo-controlled trial
de Oliveira, Adriano Rodrigues; Vanin, Adriane Aver; De Marchi, Thiago; Antonialli, Fernanda Colella; Grandinetti, Vanessa dos Santos; de Paiva, Paulo Roberto Vicente; Albuquerque Pontes, Gianna Móes; Santos, Larissa Aline; Aleixo Junior, Ivo de Oliveira; de Carvalho, Paulo de Tarso Camillo; Bjordal, Jan Magnus; Leal Junior, Ernesto Cesar Pinto (Peer reviewed; Journal article, 2014-02-27)Background: Recent studies involving phototherapy applied prior to exercise have demonstrated positive results regarding the attenuation of muscle fatigue and the expression of biochemical markers associated with recovery. ...