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KMID : 0359420040220010050
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Korean Journal of Sports Medicine
2004 Volume.22 No. 1 p.50 ~ p.58
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The Effect of An Slide^(TM) on Rectus Abdominal Muscles : Comparison of It´s Myoelectrical Activities with Crunch and Sit-Up
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Ji Song-Woon
Kim Ho-Sung
Yang Yun-Jun
Jang Jae-Won
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Abstract
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The purpose of this study was to compare the effect of AB slide on abdominal muscles with Crunch and Sit-up.
Myoelectrical activities of Rectus abdominis muscles produced by AB slider™, Cruncli and Sit-up were recorded. Healthy male aged from 17 to 36 years(23.0 5.9 yrs) were included fo the test.
Surface electrodes were attached to upper and lower part of Rectus abdominis of the study subjects. Averaged integrated electromyography(AIEMG) and Normalized integrated electromyography(NIEMG) were recorded. The results are summarized as follows;
First, the AIEMG of Sit-up were highest among them with insignificant difference statistically. Second, the NIEMG of upper part of Rectus abdominis were higher than the one of lower part with significant difference statistically(p<0.05). This phenomenon was same irrespective of the type of exercises.
AB slide™ was not more effective than Sit-up and Crunch for strengthening of Rectus abdominis muscle. The upper part of Rectus abdominis was more activated than the lower part by all three exercises.
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KEYWORD
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Myoelectrical Activities, Rectus Abdominis, AB Slide^™, Crunch, Sit-up
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