The Validity of the Native Non-sports Equation in Estimating the Maximum Aerobic Capacity of Adolescent Boys

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Hoseini Seyed Ghafar; Zarinkalam Ebrahim; Heidary Reza; Jalili Majid

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Journal Paper

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Journal: IRANIAN JOURNAL OF ERGONOMICS Year:2024 | Volume:11 | Issue:4 Page(s): 315-323

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Title

The Validity of the Native Non-sports Equation in Estimating the Maximum Aerobic Capacity of Adolescent Boys

Author(s)

Hoseini Seyed Ghafar | Zarinkalam Ebrahim | Heidary Reza | Jalili Majid | Issue Writer Certificate

Keywords

Cardiorespiratory fitness

Exercise testing

Reliability

Abstract

Objectives: The maximum aerobic capacity (VO2max) is the most important indicator of physical fitness, which is closely related to the general health of the body. Considering the problems of laboratory measurement of VO2max, estimating VO2max by non-exercise equations will be one of the alternative solutions. This study aims to evaluate the validity of the native non-exercise equation in estimating VO2max of healthy adolescent boys. Methods: The variables of age, height, weight, and body mass index were measured in 248 healthy boys aged 15 to 18. The subjects' VO2max was measured and predicted by exercise test and non-exercise native equation respectively. To evaluate the validity of the native non-exercise equation, Pearson's correlation, paired t-test, and Bland-Altman's agreement were used. Results: There is a significant correlation between measured and predicted VO2max (R = 0.76, p<0.05). Also, no significant difference was observed between predicted and measured VO2max (43.10 ml/kg/min and 43.38 ml/kg/min respectively) (mean difference=0.28 ml/kg/min, P>0.05). Also, the Bland-Altman graphic diagram indicated agreement between the methods of measuring and estimating VO2max. Conclusion: In the present study, the native non-sports equation had a high validity in estimating VO2max of adolescent boys. It seems that the use of non-sports VO2max equations can be used as a simple, safe, and low-cost tool to evaluate the maximum aerobic capacity of students at a wide level.

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