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KMID : 1020120040020010049
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Journal of the Korean Academy of Clinical Electrophysiology
2004 Volume.2 No. 1 p.49 ~ p.57
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Changes of Maximal Isometric Contraction and Fatigue of Quadriceps Femoris Muscle by NMES
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Jeong Seong-Gwan
Lee Jeong-Woo
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Abstract
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The purpose of this study was to determine the effect of muscle contraction torque and muscle fatigue by low-frequency PC. In this article, We would like to experiment on electrical stimulation, determine optimal forms of stimulation setting. We used normal fourteen subjects(seven women, seven men) without neuromuscular disease and all subjects participated in the 3 session. Torque was measured using a computerized Kin-Com dynamometer for MVIC, MIC, Fatigue tests. The following results were obtained; 1. Torque of man were significantly higher than women in the MIC test(p<.05). 2. Torque of women, man were significantly decreased in the Fatigue test(p<.001). Between woman and man groups were significant difference(p<.05). These results lead us to the conclusion that muscle fatigue was influenced by PC, fatigue of women was higher than man. Therefore, A further studies concerning the electrical stimulation should consider differences between sexes in response to treatment and could enhance the development of the most effective treatment regimens.
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KEYWORD
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NMES, Maximal Isometric Contraction, Fatigue, Pulsed Current
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