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Spinal manipulation alters electromyographic activity of paraspinal muscles
DEVOCHT JW; PICKAR JG; WILDER DG
J MANIPULATIVE PHYSIOL THER , 2005, vol. 28, n° 7, p. 465-471 Doc n°: 122396 Localisation : Documentation IRR Descripteurs : CA721 - TRACTIONS MANIPULATIONS - RACHIS, KA52 - OSTEOPATHIE - CHIROPRAXIE Objective: To examine the effect of spinal manipulation on electromyographic (EMG) activity in areas of localized tight muscle bundles of the low back. Methods: Surface EMG activity was collected from 16 participants in 2 chiropractic offices during the 5 to 10 minutes of the treatment protocol. Electrodes were placed over the 2 sites of greatest paraspinal muscle tension as determined by manual palpation. Spinal manipulation was administered to 8 participants using Activator protocol ; the other 8 were treated using Diversified protocol. Results: Electromyographic activity decreased by at least 25% after treatment in 24 of the 31 sites that were monitored. There was less than 25% change at 3 sites and more than 25% increase at Langue : ANGLAIS Tiré à part : OUI |
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