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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제14권 제2호
발행연도
2005.8
수록면
757 - 767 (11page)

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The purpose of this chapter was to investigate the difference in RPP between the young and the elderly during dynamic submaximal exercise. The subjects were six young (22.2 ± 0.8) and six older asymptomatic males. The subjects performed two bouts of exercise with workloads of 30 and 60 watts using a bicycle ergometer. During exercise, HR, BP, Ve, oxygen uptake and skin blood flow (SBF) of the earlobe were continuously measured and RPP were calculated by HR and SBP. In addition, power spectrum analysis of R-R was performed to obtain the low frequency power (LF: 0.05 - 0.15 ㎐), the high frequency power (HF: 0.15 - ㎐) and the ratio of LF to HF (LF/HF). The HRs of the elderly were significantly lower than those of the young during exercise at both 30 and 60 watts, whereas the elderly showed greater SBP than the young. As a result, there was no difference in RPP between the young and the elderly during exercise. These results suggested that the myocardial strain of the elderly was not different from the young when the workloads were relatively low.

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Abstract
Ⅰ. Introduction
Ⅱ. Methods
Ⅲ. Results
Ⅳ. Discussion
References

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UCI(KEPA) : I410-ECN-0101-2009-692-016618645