A Restrospective Evaluation of the Estimation of VO2max in Individuals Who Attain Peak Versus Individuals That Attain Max During a CPET Using a Dynamic Systems Model

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  • March 21, 2019
Creator
  • Martin, Kerry
    • Affiliation: College of Arts and Sciences, Department of Exercise and Sport Science
Abstract
  • Due to uncertainty in maximal oxygen uptake (VO2max) determination from a traditional cardiopulmonary exercise test (CPET), dynamic systems models (DSMs) may be used to predict or confirm VO2max. The purpose of this study was to use a DSM to predict VO2max and to compare the difference between individuals who reached maximal criteria (MAX) versus individuals who did not (PEAK). A retrospective analysis was performed on nine male individuals who performed a cycle ergometer CPET. Oxygen uptake, stage power, and fixed cadence values from a CPET were used in the DSM to predict VO2max. Despite a trend to predict VO2max in both groups, there was a significant difference between predicted and obtained VO2max in the MAX group (p=.045), and no significant difference between experimental VO2peak and predicted VO2max in the PEAK group (p=.13). This study demonstrates the necessity of power and cadence when using a DSM to predict VO2max.
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  • In Copyright
Advisor
  • Battaglini, Claudio L.
  • Mann, Brian
  • Shields, Edgar
  • Mazzoleni, Michael
Degree
  • Master of Arts
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2016
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