무산소역치 측정을 위한 심박수의 활용에 관한 연구
Study on Applications of Heart Rate to Measure Anaerobic Threshold
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본 연구의 목적은 다양하게 활용되고 있는 무산소역치를 기술적으로나 경제적으로 손쉽게 측정할 수 있는 방안으로 심박수를 이용한 무산소역치 측정 방법의 적합성을 검증하는 데에 있다. 이러한 검증을 바탕으로 무용수의 심박수를 이용한 무산소역치를 측정함으로써 무용수의 운동능력을 평가하고 무용 연습 기준의 설정 등 보다 과학적이고 합리적인 무용교육의 기초를 제공할 수 있을 것이다. 피험자는 무용전공 여대생 8명이며, 트레드밀을 이용한 다단계 운동부하 검사 시 심박수, 산소 섭취량, 이산화탄소 배출량 및 환기량을 측정하였다. 측정된 심박수 및 환기변인을 통하여 심박수역치와 환기역치를 결정한 후, 두 역치 간에 4가지 측정 변인들이 차이가 있는가를 분석하여 다음과 같은 결과를 얻었다. 첫째, 환기역치 및 심박수역치에서의 심박수 간에는 차이가 없었다. (유의수준 α=0.05)둘째, 환기역치 및 심박수역치에서의 산소섭취량 간에는 차이가 없었다. (유의수준 α=0.05)셋째, 환기역치 및 심박수역치에서의 이산화탄소 배출량 간에는 차이가 없었다. (유의수준 α=0.05)넷째, 환기역치 및 심박수역치에서의 환기량 간에는 차이가 없었다. (유의수준 α=0.05)이상의 연구결과로부터 점증적 다단계 운동부하방법을 통하여 결정된 심박수역치는 무산소역치를 추정하는 적합한 방법으로 사료된다.
Abstract
The purpose of this study is to test goodness-of-fit of AT measurement with heart rate as a plan to measure AT easily, which has already been used variously, in technical and economical aspects. By measuring anaerobic threshold using dancer's heart rate with these verification, it may supply foundation of more scientific and reasonable dancing education such as estimation dancer's exercise ability and establishment of dancing practice standard.8 Female university students majored in dance were involved in the subject of this study and heart rate, oxygen consumption, carbon dioxide production and ventilation were measured in graded exercise stress test with a treadmill. After determining heart rate threshold and ventilatory threshold on the basis of the measured heart rate and respiratory gas, whether the two thresholds have differences in their four measured factors was analyzed.The findings of this study are as follows;First, there was no difference between the heart rate at the ventilatory threshold and the heart rate at the heart rate threshold. (Significance Level α=0.05)Second, there was no difference between the oxygen consumption at the ventilatory threshold and the oxygen consumption at the heart rate threshold. (Significance Level α=0.05)Third, there was no difference between the carbon dioxide production at the ventilatory threshold and the carbon dioxide production at the heart rate threshold. (Significance Level α=0.05)Finally, there was no difference between the ventilation at the ventilatory threshold and the ventilation at the heart rate threshold. (Significance Level α=0.05)Based on the above-mentioned results, to use heart rate threshold determined by graded exercise test is regarded as a proper method to measure the anaerobic threshold.
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