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KMID : 1023920100120030013
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Journal of the Korean Academy of Kinesiology
2010 Volume.12 No. 3 p.13 ~ p.23
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Prediction of V˙ O2max Using Metabolical Responses in Submaximal Exercise
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Im Jae-Hyeng
Jeon Yoo-Joung
Kim Byeong-Wan
Kim Chang-Hwan
Kang Hyun-Joo
Lee Byung-Kun
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Abstract
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INTRODUCTION: The purpose of this study was to establish the prediction model of V˙ O2max using submaximal metabolic responses from the Bruce protocol.
METHODS: The subjects were consisted of 78 male college students. They went through maximal exercise testing with the Bruce protocol, and the metabolic responses were measured in the end of the first and second stage. To determine the predicted model of V˙ O2 max, multiple regression analysis was applied with enter and stepwise methods.
RESULTS: Analyzing with all variables using enter method, the multiple R of total variable model was 0.796(p<.01), and multicolinearity appeared. The multiple R of 3 minutes model 1 and model 2 were 0.614 and 0.665, and the R of 6 minutes model 1 and model 2 were 0.627 and 0.677(p<.01), however, multicolinearity did not appear. The R amongst the measured VO2max and the predicted VO2max of 5 model were 0.612~0.796(p<.01). The R amongst 5 model were 0.545~0.927(p<.01), and R between 3 minutes model 1 and model 2, and between 6 minutes model 1 and model
2 were 0.919~0.927(p<.01).
CONCLUSION: The total variable, 3 minutes and 6 minutes model were all verified model to predict VO2max, but 3 minutes and 6 minutes are recommended for its convenience.
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KEYWORD
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VO2max prediction, Submaximal exercise, Metabolic responses, Multiple regression analysis
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