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KMID : 0357220040160020181
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Journal of Korean Society Physical Therapy
2004 Volume.16 No. 2 p.181 ~ p.194
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The Effects of TENS and cold application on secondary thermal hyperalgesia in rats induced by muscle pain
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채윤원
김상엽/김진상/박래준/구현모/임창훈
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Abstract
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The aim of this study was to investigate the effects of TENS and cold application on secondary thermal hyperalgesia in rats induced by muscle pain. Muscle pain was induced in male Sprague-Dowley rats by intra-muscular injection of gastrocnemius with 3% carrageenan. The paw withdrawal latency(PWL) and tail flick test(TFT) to heat were used to detect secodary thermal hyperalgesia induced by the muscle pain. PWL and TFT were quantified before and 4, 10, and 24 h after induction of muscle pain and after application of TENS(100Hz, 100{mu}s, sensory intensity) and cold(4^{circ}C). TENS and cold significantly reduced the PWL and TFT to heat stimuli when compared with controls receiving no TENS and cold(p<.05). These results suggested that application of TENS and cold attributed to decrease secodary thermal hyperalgesia in rat induced by muscle pain.
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KEYWORD
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