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Predicting maximum oxygen uptake in adolescents.

A C Hergenroeder1, R B Schoene

  • 1Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030.

American Journal of Diseases of Children (1960)
|June 1, 1989
PubMed
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This study developed regression equations to predict adolescent oxygen uptake (VO2) using indirect methods. While VO2 can be accurately predicted, VO2/kg predictions were less reliable.

Area of Science:

  • Exercise Physiology
  • Sports Science
  • Pediatric Health

Background:

  • Accurate assessment of cardiorespiratory fitness is crucial for adolescent health and athletic performance.
  • Maximal oxygen uptake (VO2max) is a key indicator of cardiorespiratory fitness.
  • Direct measurement of VO2max using laboratory equipment can be resource-intensive.

Purpose of the Study:

  • To develop and validate regression equations for predicting maximal oxygen uptake (VO2max) in adolescents.
  • To assess the accuracy of predicting total VO2max and VO2max relative to body weight (VO2/kg).
  • To determine the feasibility of using indirect methods for VO2max estimation in this population.

Main Methods:

  • Thirty-nine adolescents underwent maximal oxygen uptake (VO2max) testing on a cycle ergometer.

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  • Anthropometric measurements, including skinfold thickness, were collected.
  • Subjects completed 12-minute and 2.4-km runs for predictive equation development and validation.
  • Multiple-stepwise forward regression analysis was employed.

    • Main Results:

    • Regression equations predicted total VO2max, accounting for 81% of the variance initially and 88% upon validation (SE = 0.07 L/min).
    • Equations for predicting VO2/kg accounted for 64% of the variance initially and 58% upon validation (SE = 27 mL/kg/min).
    • Validation showed accurate prediction for total VO2max but less accuracy for VO2/kg.

    Conclusions:

    • Indirect methods can accurately predict total maximal oxygen uptake (VO2max) in adolescents.
    • Predicting relative oxygen uptake (VO2/kg) using these indirect methods is less reliable in adolescents.
    • Further research may be needed to refine VO2/kg prediction models for adolescent populations.