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KMID : 1020120090070010007
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Journal of the Korean Academy of Clinical Electrophysiology
2009 Volume.7 No. 1 p.7 ~ p.10
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The Effect of Electrical Stimulation Applied in Dominant Forearm on Autonomic Nervous System Response of Both Hands
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Lee Dong-Geol
Seo Sam-Ki
Lee Jeong-Woo
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Abstract
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Purpose : The purpose of this study was to investigate the effect of electrical stimulation applied in dominant forearm on autonomic nervous system response of both hands.
Methods : Fourteen healthy subjects (women) received low frequency-high intensity electrical stimulation to one forearm. The subjects assigned to two groups; a ipsilateral stimulation group (n=7) and a contralateral stimulation group (n=7). The electrode attachment was arranged on the forearm of the dominant arm and the electricity stimulus time was set as 15 minutes. Measuring items were the skin conduction velocity, the blood flow, and the pulse rate, which were measured total 3 times (pre, post, and post 10 min.).
Results : The skin conduction velocity showed a significant difference according to the change of the time in both hands, but there was no significant difference according to time in the blood flow, and the change of the pulse frequency regardless of stimulus side.
Conclusion : These results demonstrate that the low frequency-high intensity electrical stimulation applied dominant forearm can increase selectively only with the skin conduction velocity, which may be helpful for the activation of the sudomotor function of both hands by the activation of sympathetic nerve.
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KEYWORD
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Electrical stimulation, Autonomic nervous system response, Skin conduction velocity
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