Bipolar Permanent Magnets for the Treatment of Chronic Low Back Pain

Collacott, Edward A.; Zimmerman, John T.; White, Donald W.; Rindone, Joseph P.

doi:10.1001/jama.283.10.1322

Cited by 103 publications

(52 citation statements)

References 10 publications

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“…In addition, flexible magnets were not effective in decreasing pain perception and recovery time after muscle micro injury [41], and pulsed electromagnetic therapy using a bipolar permanent magnet had no significant effect on chronic lumbago [42].…”

Section: Discussionmentioning

confidence: 99%

Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Park¹,

Sun²,

Lee³

et al. 2014

Journal of Magnetics

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Section: Discussionmentioning

confidence: 99%

Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Park¹,

Sun²,

Lee³

et al. 2014

Journal of Magnetics

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“…Again, data supporting the notion that static magnets have an effect on local neurological function are inconclusive. 14,15,33 In contrast to the studies by Vallbona et al 32 and Weintraub, 33 Collacott et al 7 recently conducted a double-blind, placebo-controlled study involving 20 individuals with chronic low back pain. Each participant had lumbosacral range of motion and subjective pain evaluated before and after wearing either a magnet or placebo for 6 consecutive hours, 3 days per week.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Static and Placebo Magnets on Resting Forearm Blood Flow in Young, Healthy Men

Martel

Andrews²,

Roseboom³

2002

J Orthop Sports Phys Ther

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Study Design: Prospective, randomized, double-blind, placebo-controlled crossover design. Objectives: To examine the effects of static magnets on resting forearm blood flow and vascular resistance. Background: Despite little scientific evidence indicating benefits of wearing static magnets, recent reports have indicated a dramatic increase in the usage of magnets to treat a variety of medical conditions. Magnet manufacturers have proposed that one mechanism for pain reduction involves magnet-related blood flow alterations to the affected area. Methods and Measures: Twenty young, healthy men (mean age ± SD = 25 ± 2 years) wore commercially available static magnets and placebos for 30 minutes on 2 separate occasions. Resting forearm blood flow was assessed in triplicate at minutes 10, 20, and 30, using venous occlusion plethysmography. Forearm vascular resistance was estimated by dividing mean arterial pressure by blood flow. Results: The average blood flow over the 30-minute measurement period was not significantly different between the magnet and placebo sessions (mean ± SD for magnet session = 1.40 ± 0.63 ml blood × 100 ml tissue Ϫ1 × min Ϫ1; mean ± SD for placebo session = 1.36 ± 0.46 ml blood × 100 ml tissue Ϫ1 × min Ϫ1; P = 0.66). Blood flow measurements at minutes 10, 20, and 30 were also not significantly different between the magnet and placebo sessions, and forearm vascular resistance was not different between the magnet and placebo sessions at any time (P Ͼ 0.05). Conclusion: Exposure to static magnets for up to 30 minutes had the same effect on resting forearm blood flow and vascular resistance as placebo magnets. These data suggest that static magnets do not result in significant alterations in resting blood flow. J Orthop Sports Phys Ther 2002;32:518-524.

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“…Researchers used many forms of small magnet or large magnetic equipment with a major claim given by researchers to the effect of these magnetic products to be considered as pain relieving modality [20,21,19] as in low back pain [28], heel pain [29] and muscle pain [30]. On the other hand, researchers used the transcranial magnetic stimulation for the treatment of depression [31] or use the small magnet to stimulate the trigger point [32].…”

Section: Pulsed Electromagnetic Field Stimulationmentioning

confidence: 99%

Efficacy of Pulsed Electromagnetic Field on Pain and Function in Chronic Mechanical Neck Pain: A Randomized Controlled Trial

Alayat¹,

Ali²,

Fiky³

et al. 2017

IJPR

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Background: Mechanical neck pain (MNP) is a common neck disorders affecting middle-aged population.Magnetotherapy is considered as a safe and non-invasive physical therapy modality used in the treatment of musculoskeletal pain. , 4.483(1.228) months respectively. They were randomly assigned in to two groups. Group I (30 Patients) was treated with PEMF plus exercises (PEMF+EX) group and group II (30 Patients) treated with placebo magnetic plus exercises (PL+EX) group. Exercise program included active range of motion, muscle stretching and strengthening exercises applied two sessions/week for 6 weeks. PEMF was applied with 20 Hz, 0.8 mT for 20 minutes two sessions/week for 6 weeks. Pain level was measured by visual analog scale (VAS) and neck functions were measured by neck disability index (NDI). The level of significance was set at p< 0.05.Results: Wilcoxon matched-pairs signed-ranks test revealed significant differences in VAS and NDI in PEMF+EX and PL+EX groups (p <0.0001). Mann-Whitney (MW) Test showed significant decreased in VAS and NDI scores both treatment (p <0.0001) with more significant decrease in PEMF group than PL+EX group.Conclusion: PEMF combined with exercise was effective more than exercises alone in decreasing the scores of VAS and NDI in Chronic MNP.

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Bipolar Permanent Magnets for the Treatment of Chronic Low Back Pain

Abstract: Application of 1 variety of permanent magnet had no effect on our small group of subjects with chronic low back pain.

Cited by 103 publications

References 10 publications

Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Effect of Pulsed Electromagnetic Field Treatment on Alleviation of Lumbar Myalgia; A Single Center, Randomized, Double-blind, Sham-controlled Pilot Trial Study

Comparison of Static and Placebo Magnets on Resting Forearm Blood Flow in Young, Healthy Men

Efficacy of Pulsed Electromagnetic Field on Pain and Function in Chronic Mechanical Neck Pain: A Randomized Controlled Trial

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