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KMID : 0357220100220010061
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Journal of Korean Society Physical Therapy
2010 Volume.22 No. 1 p.61 ~ p.66
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Changes in Sympathetic Nervous System Responses of Healthy Adult Women with Changes in the Stimulus Intensity of High Frequency Transcutaneous Electrical Nerve Stimulation
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Choi Yoo-Rim
Lee Jeong-Woo
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Abstract
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Purpose: The purpose of this study was to investigate the change in sympathetic nervous system responses of healthy adult women with changes in stimulus intensity of high frequency transcutaneous electrical nerve stimulation.
Methods: Twenty-four healthy subjects (women) received high frequency electrical stimulation of the forearm. The subjects were randomly assigned to one of two groups; a low intensity stimulation group (n=12) and a high intensity stimulation group (n=12). The electrode attachment was arranged on the forearm of the dominant arm and the electricity stimulus time was 20 minutes. Measured items included skin conductance, pulse rate, skin temperature, and respiration rate. Each was measured at 4 times.
Results: Skin conductance and skin temperature showed significant group by time interactions, though there were no significant group and time effects. There were no significant differences according to time, group effect, and a group by time interaction in pulse and respiration rates.
Conclusion: High frequency and high intensity electrical stimulation may be helpful for the improvement of sudomotor function through the activation of the sympathetic nervous system. Also, high frequency and low intensity electrical stimulation may be helpful for the reduction of sudomotor function via inhibition of the sympathetic nervous system.
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KEYWORD
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Transcutaneous electrical nerve stimulation, Sympathetic nervous system response, Skin conductance, Skin temperature
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