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KMID : 0357220110230020053
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Journal of Korean Society Physical Therapy
2011 Volume.23 No. 2 p.53 ~ p.59
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The Effect of Current Perception Threshold and Pain Threshold through Transcutaneous Electrical Nerve Stimulation and Silver Spike Point Therapy
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Yun Mi-Jung
Lee Wan-Hee
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Abstract
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Purpose: This study was designed to compare the effects of transcutaneous electrical nerve stimulation (TENS) and silver spike point (SSP) therapy on current perception threshold (CPT) and mechanical pain threshold (MPT).
Methods: Forty?five healthy adult male and female subjects were studied. Fourteen of them were males and twenty?one were females. Subject were randomly assigned to receive; (1) TENS (80/120 Hz alternating frequency), (2)
SSP (3 Hz), or (3) no treatment (control group). Electric stimulation was applied over LI4 and LI11 on acupuncture points
of the left forearm for 30 minutes. CPT and MPT were recorded before and after electrical stimulation. The data were
analyzed using linear mixed models, with group treated as a between subject factor and time a within?subject factor.
Results: At 30 minutes after cessation of electrical stimulation the CPT of C fibers and A��fibers was reduced in the TENS group that of C fibers was reduced in the SSP group (p<0.05). After cessation of electrical stimulation, the MPT
of C fibers and A��fibers increased in the TENS group, and that of A��fibers increased in the SSP group (p<0.05).
Conclusion: After TENS and SSP stimulation, MPT of C fibers and A��fibers were selectively increased. In particular, the TENS group showed increases in both C and A��fibers, while the SSP group showed increases only in A��fibers.
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KEYWORD
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Transcutaneous electrical nerve stimulation, Silver spike point therapy, Current perception threshold, Pain threshold
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