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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국발육발달학회 한국발육발달학회지 한국발육발달학회지 제22권 제4호
발행연도
2014.12
수록면
349 - 354 (6page)

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초록· 키워드

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The purpose of this experiment was to investigate that there are differences of 4 muscles of leg on iEMG and MDF in according to back squat ways, and exercise expertness. Subjects were 14 college male students, these were divided two groups. One was beginner in weight exercise, and the other was expert that they have trained the weight training more than 1 year. The sites of measuring in muscles were erector spine, gluteus maximus, quadriceps and hamstrings. They performed the three ways(without load, smith machine, and free weight) of back squat exercise and we measured iEMG and MDF. On iEMG, there were no significant difference among back squat exercise ways in intermediate level group. But, in intermediate level group there were significant difference among the four muscles within the back squat exercise ways respectively (p<.001, p<.01, p<.001). Also, there was the same result in beginner group(respectively p<.01, p<.05, p<.05). Especially, gluteus maximus was mainly contributed in intermediate level group, and the erector spine and gluteus maximus were mainly contributed in beginner group. On MDF, there was no significant difference between back squat exercise ways. in intermediate level group there was no significant difference among the four muscles within the back squat exercise ways, but in beginner group, there were significant difference among four muscles within the exercise ways respectively (p<.01, p<.01, p<.05).

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