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Related Experiment Videos

Treadmill and cycle ergometry testing in 5- to 6-year-old children.

L M LeMura1, S P von Duvillard, S L Cohen

  • 1The Exercise Physiology Laboratory, Bloomsburg University of Pennsylvania, USA.

European Journal of Applied Physiology
|October 19, 2001
PubMed
Summary

Maximal cardiorespiratory responses in children aged 5-6 showed no gender differences. Both treadmill and cycle ergometer tests effectively measured maximal oxygen consumption (VO2max) in this age group.

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Area of Science:

  • Pediatric exercise physiology
  • Cardiorespiratory fitness assessment

Background:

  • Assessing maximal cardiorespiratory responses in young children is crucial for understanding their physical capabilities.
  • Treadmill (TM) and cycle ergometer (CE) are common tools, but their efficacy in 5- to 6-year-olds requires specific investigation.

Purpose of the Study:

  • To determine maximal cardiorespiratory responses in 5- to 6-year-old children using both TM and CE.
  • To compare VO2max attainment criteria between TM and CE in this age group.
  • To examine potential gender differences in cardiorespiratory responses.

Main Methods:

  • 48 children (24 girls, 24 boys) aged 5-6 underwent maximal exercise testing on a TM and a CE, with a one-week interval.
  • Standardized, progressive, continuous protocols were used to measure VO2max, heart rate, and respiratory exchange ratio.

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  • A 2x2 ANOVA with Bonferroni adjustment analyzed gender and exercise mode effects.

    • Main Results:

    • No significant gender differences were observed in cardiorespiratory variables.
    • Children achieved significantly higher relative and absolute VO2max, and higher heart rate on the TM compared to the CE.
    • Higher respiratory exchange ratio was observed on the CE, with both modes effectively eliciting maximal effort criteria.

    Conclusions:

    • Treadmill and cycle ergometer tests are both effective for maximal cardiorespiratory assessment in 5- to 6-year-old children.
    • There are no gender-based differences in maximal exercise testing outcomes in this pediatric population.
    • Children consistently met criteria for maximal effort on both testing modalities.