Vol 8 No 1 (2019): Volume 8, Issue 1, Year 2019
Articles

Comparison of Cardiorespiratory Fitness Prediction Models in Young Adults Running head: Comparison of VO2 max Prediction Models

Elizabeth Ann Tanner
Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220 Denton, Texas 76203-5017.
James W. Navalta
Associate Professor, Department of Kinesiology and Nutrition Sciences, University of Nevada, Las Vegas, 4505 S. Maryland Pkwy. Las Vegas, NV 89154
Published March 28, 2019
Keywords
  • VO2 max,
  • Wingate,
  • Regression analysis
How to Cite
Tanner, E. A., & Navalta, J. W. (2019). Comparison of Cardiorespiratory Fitness Prediction Models in Young Adults Running head. International Journal of Physical Education, Fitness and Sports, 8(1), 79-84. https://doi.org/10.26524/ijpefs19110

Plum Analytics

Abstract

to compare the predictive accuracy of regression models for a non-consecutive day VO2max/Wingate testing protocol and a same day testing protocol. Participants (N=23) completed a treadmill GXT and Wingate cycle test. Participants (n=12) completed testing on non-consecutive days (NON) and (n=11) the same day (SAME). VO2max (L/min) and peak power (PP) were collected. Linear regression analysis of NON revealed R2=0.808 and prediction equation Ŷ=1.499+0.004X and SAME showed R2=0.861 and prediction equation Ŷ=1.407+0.003X. NON standard error of estimate (SEE) and standard error of estimate percent (SEE %) were 0.62 L/min and 15.23%, respectively. SAME SEE and SEE% were 0.34 L/min and 10.98%, respectively. These results indicate PP obtained the same day of VO2max testing is a better predictor of cardiorespiratory fitness. Similarly, the SAME model is more accurate according to SEE and SEE%. This may be due to diminished effects of training adaptations that could occur 2-7 days between testing sessions during the NON testing protocol in healthy, active young adults.

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