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. 2010 Jun 1;28(2):78–82. doi: 10.1136/aim.2009.001149

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Records of finger flexion force (upper), surface electromyogram (EMG) (middle) and integrated surface EMG (lower) during vibration-induced finger flexion reflex (VFR) for a subject before and after acupuncture. Maximum finger flexion force, area under the curve of finger flexion force and surface EMG during VFR decreased markedly after acupuncture compared to those before acupuncture in a typical subject.