Delayed Onset Muscle Soreness (DOMS) is something very familiar to athletes or anyone embarking on a fitness campaign unaccustomed to strenuous exercise. There have been two studies looking at the effects of static magnetic field (SMF) therapy on DOMS and three with pulsed electromagnetic fields (PEMF). Looking at this research provides a valuable lesson in how varying the type of field and strength and duration of treatment will determine whether or not there is a benefit to the patient.
The first study by Reeser (See REF 1 below) looked at 23 non-active subjects who were randomly assigned to an active or placebo group. After exhaustive arm exercises, a relatively weak 350Gauss (35 mTesla) multipolar magnet (Bioflex) was applied around the elbow for just 45 minutes per day for 5 consecutive days. There were no noticeable differences in outcome measures between the two groups.
One could say, “of course there would be no difference”. The magnet used in the Reeser study was too weak AND should have been used all day in order to provide a therapeutic benefit.
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Delayed Onset Muscle Soreness (DOMS) does not appear to be helped by static magnetic field therapy, but probably by PEMF…
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