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KMID : 0358619930270020209
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Korean Journal of Physiology
1993 Volume.27 No. 2 p.209 ~ p.215
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Maximum Oxygen Consumption Determined by the Bruce and Inclined Treadmill Protocols
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Kim Kyu-Hwa
Kim Hyeong-Jin
Kim Kyoung-Soon
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Abstract
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The aim of the present study was to derive regression equations for heart rate, exercise time, and other variables from maximal exercise tests on a treadmill using the Bruce and inclined protocols. Twelve male and 10 female Korean college students aged between 19 and 23 years voIunteered for this study. After the resting measurements, the subjects performed a maximal exercise on a treadmill according to the Bruce protocol. When the resting conditions were restored, the subjects performed another maximal exercise according to an inclined protocol where the speed was fixed at 8.05 and the grade was incremented starting from 09t by 2.5% for every 2 min. Peak observed during the Bruce exercise was in the male and female groups, respectively. Peak observed during the inclined exercise was higher than during the Bruce exercise. Maximum value observed during the tyro exercises was in the male and female groups, respectively. Thus, by the Bruce protocol was about 12% (male) or 13% (female) lower than , and a linear relationship was found between and . The peak values of % with the Bruce protocol were and those with the inclined protocol in the male and female groups, respectively. In the female group, at a given workload was higher than in the male group, while per kg body weight was the same. Maximum HR observed during the two exercises was in the male and female groups, respectively. Linear relationships were found, excluding the last points, between 1) and exercise time, 2) and .
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KEYWORD
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Oxygen consumption, Heart rate, Ventilation, Exercise time, Female
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