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Capstone

The Immediate and Residual Effects of Static Magnetic Fields on Chronic Low Back Pain

1 May 2000

Abstract

The efficacy of static magnetic fields for decreasing pain has been explored with conflicting results. The purpose of this study was to examine the effects of static magnetic fields on chronic low back pain subjects, using a double-blind experimental design. Twenty-eight subjects were randomly assigned to magnet or placebo treatment groups. The fifteen subjects in the magnet group wore back wraps containing 12 magnets rated at 11,000 Gauss each. The thirteen subjects in the placebo group wore the same back wraps with non-magnetized material. Subjects' subjective pain data was collected initially, after 45 minutes, after two weeks of home use, and at four weeks, which was two weeks after cessation of treatment using the McGill Pain Questionnaire and the Visual Analogue Scale. Results showed no significant difference between the magnet and placebo groups. The conclusion was that chronic low back pain subjects with the magnetic belt did not experience a significant reduction in pain compared to the placebo group.


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