[ 23 ] the surface EMG amplitude parameter (ARV) exhibits an increasing trend in normal subjects but a decreasing one in DM1 patients, during prolonged contraction.
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Chronic muscle stimulation improves muscle function and reverts the abnormal surface EMG pattern in myotonic dystrophy: a pilot study.
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The sentences
Recording of ARV at T3 (15 days after the end of stimulation) showed a trend toward a pathological pattern with the F index coming back to a positive value.