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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국발육발달학회 한국발육발달학회지 한국발육발달학회지 제21권 제4호
발행연도
2013.12
수록면
299 - 305 (7page)

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This study was targeted adolescents in the period of growth that promotes bone growth and determines maximum bone mineral density, in order to achieve the following research purposes; first, ``Does resistance exercise positively affect bone turnover makers?``, and second, ``If it has a positive effect on them, does it depend on weight?``. For the study, 27 students in a male middle school were chosen as research subjects, and they were asked to repeat three-intensity resistance exercise programs. 9 students each were classified into three groups for offsetting the effect of the sequence and then, each group measured the effect of exercise, repeating three-intensity exercise programs in a different sequence. The three-intensity resistance exercise programs in this study were 8RM maximum exercise, 21RM maximum exercise and 16-times repetitive exercise with an intensity of 1/2 of 8RM. For measurement, blood samples were collected from the subjects before and after the exercise programs, and bone formation makers, bone resorption makers and growth hormone were analyzed as blood variables. The measurement result showed that as a bone formation maker, BALP significantly increased during all the three exercise programs, and Osteocalcin didn`t show any change. As bone resorption makers, NTx and deoxypyridinoline significantly reduced during all the three exercise programs. Growth hormone also significantly increased during all the three exercise programs. Significant changes were found in all the variables during each period, except Osteocalcin, and there was no interaction between intensity and measurement period. In conclusion, these findings imply that resistance exercise with an intensity of 8~21RM had a positive influence on bone metabolism of male middle school students, regardless of weight.

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UCI(KEPA) : I410-ECN-0101-2017-692-001675548