Predicting maximal oxygen uptake from a 3-minute progressive knee-ups and step test

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Title:	Predicting maximal oxygen uptake from a 3-minute progressive knee-ups and step test
Authors:	Chung, YC (Chung, Yu-Chun) Huang, CY (Huang, Ching-Yu) Wu, HJ (Wu, Huey-June) Kan, NW (Kan, Nai-Wen) Ho, CS (Ho, Chin-Shan) Huang, CC (Huang, Chi-Chang) Chen, HT (Chen, Hung-Ting)
Contributors:	技國系
Keywords:	Aerobic ability 3-min Harvard step test Cardiovascular function Field tests
Date:	2021-03-15
Issue Date:	2021-04-14 13:26:27 (UTC+8)
Abstract:	Background. Cardiorespiratory fitness assessment is crucial for diagnosing health risks and assessing interventions. Direct measurement of maximum oxygen uptake (VO2 max) yields more objective and accurate results, but it is practical only in a laboratory setting. We therefore investigated whether a 3-min progressive knee-up and step (3MPKS) test can be used to estimate peak oxygen uptake in these settings. Method. The data of 166 healthy adult participants were analyzed. We conducted a VO2 max test and a subsequent 3MPKS exercise test, in a balanced order, a week later. In a multivariate regression model, sex; age; relative VO2 max; body mass index (BMI); body fat percentage (BF); resting heart rate (HR0); and heart rates at the beginning as well as at the first, second, third, and fourth minutes (denoted by HR0, HR1, HR2, HR3, and HR4, respectively) during a step test were used as predictors. Moreover, (R2) and standard error of estimate (SEE) were used to evaluate the accuracy of various body composition models in predicting VO(2)max. Results. The predicted and actual VO2 max values were significantly correlated (BF% model: R-2 = 0.624, SEE = 4.982; BMI model: R-2 = 0.567, SEE = 5.153). The BF% model yielded more accurate predictions, and the model predictors were sex, age, BF%, HR0, Delta HR3 and Delta HR3 Conclusion. In our study, involving Taiwanese adults, we constructed and verified a model to predict VO2 max, which indicates cardiorespiratory fitness. This model had the predictors sex, age, body composition, and heart rate changes during a step test. Our 3MPKS test has the potential to be widely used in epidemiological research to measure VO2 max and other health-related parameters.
Relation:	PEERJ 卷冊: 9 文獻號碼: e10831
Appears in Collections:	[Department of Chinese Martial Arts] journal articles

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