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자세변화와 운동형태에 따른 심박수 변이도와 혈압 비교

The comparison of heart rate variability and blood pressure according to posture and exercise type.

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초록

본 연구는 남자 대학생들을 대상으로 안정 시 자세변화와 운동 시 운동형태에 따른 심박수 변이도와 혈압의 차이를 분석하고자 실시되었다. 8명의 건강한 남자 대학생들(20.25±0.43세)을 대상으로 실시하였으며, 안정 시 누운자세, 앉은 자세, 선 자세에서 심박수 변이도를 10분씩 측정하고 유산소와 저항운동 30분 동안 심박수 변이도를 측정하였다. 안정 시 심박수 변이도는 자세변화에 따라 심박수(p<.001), 이완기혈압(p<.05), mean R-R(p<.01) 및 LF/HF(p<.01)이 유의한 차이를 나타내었으며, 누운자세에 비하여 앉은 자세와 선 자세에서 더 높은 값을 나타냈다(p<.01). 유산소운동 시 심박수 변이도는 심박수(p<.001), total power(p<.05), VLFP(p<.01), LFP(p<.05), LF/HF(p<.01)에서 운동시간에 따른 유의한 차이를 나타냈다. 저항운동 시 심박수 변이도는 심박수(p<.001), total power(p<.01), VLFP(p<.01), HFP(p<.05)에서 운동시간에 따른 유의한 차이를 나타냈다. 운동형태에 따른 심박수 변이도는 심박수(p<.01), VLFP(p<.05), HFP(p<.01)에서 유의한 차이를 나타내었고, 혈압은 수축기 혈압만이 유산소운동 후 유의하게 증가하였다. 따라서 심박수 변이도는 자세변화에 따른 차이를 보였으며, 저항운동은 미주신경과 말초교감신경의 활성을 증가시켜 심혈관계 반응을 조절하는 것으로 나타났다.

Abstract

This study was to investigate the difference of heart rate variability (HRV) and blood pressure (BP) according to the posture and exercise type. Eight male university students (20.25±0.43 yrs) voluntarily participated in this study. HRV was assessed for 10 minutes at rest and 30 minutes during aerobic and resistance exercise separatedly. It was shown to be statistically significant differences in heart rate (p<.001), DBP (p<.05), mean R-R (p<.01), and LF/HF (p<.01) according to the difference posture. Heart rate, DBP, mean R-R, and LF/HF were shown higher in sitting and standing posture than supine posture (p<.01). It was shown to be statistically significant differences in heart rate (p<.001), total power (p<.05), VLFP (p<.01), LFP (p<.05), and LF/HF (p<.01) during aerobic exercise and heart rate (p<.001), total power (p<.01), VLFP (p<.01), and HFP (p<.05) during resistance exercise. According to the exercise type, it was shown to be statistically significant differences in heart rate (p<.01), VLFP (p<.05), and HFP (p<.01). SBP significantly increased after aerobic exercise. Therefore, HRV was shown differently according to posture and exercise type. The cardiovascular response to exercise was controlled through cardiac parasympathetic activity and peripheral sympathetic nerve activity by resistance exercise.

참고문헌 (44)

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