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Maximal oxygen uptake, total metabolic energy expenditure, and energy cost in swimmers with physical disabilities

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  • Wellington G. Feitosa
  • Tiago M. Barbosa
  • Ricardo De A. Correia
  • Flávio A. De S Castro

Abstract

The purpose of this study was to assess the maximum oxygen uptake (V̇O2max), the total metabolic energy expenditure ($$\dot Etot$$E˙tot), and the energy cost (C) measured as the speed of V̇O2max in swimmers with physical impairments. Eleven swimmers performed an Nx200-m front crawl test from a low to all-out speed and data were obtained at maximum aerobic power. The oxygen uptake was measured breath-by-breath by a telemetric gas exchange system. The $$\dot Etot$$E˙tot was calculated from the aerobic and anaerobic pathways at maximal intensity. The C was obtained by the ratio of the $$\dot Etot$$E˙tot and the mean swimming speed. The V̇O2max was 38.2 ± 8.3 mL.kg.min−1, the $$\dot Etot$$E˙tot was 191.9 ± 51.7 kJ, and the C was 0.8 ± 0.2 kJ.m−1. The energy contribution of the aerobic pathway was higher (p 0.05). There was no gender effect on the results of the energy contributions (p > 0.05). The anaerobic lactic pathway contribution was higher in male than in female swimmers (p

Suggested Citation

  • Wellington G. Feitosa & Tiago M. Barbosa & Ricardo De A. Correia & Flávio A. De S Castro, 2019. "Maximal oxygen uptake, total metabolic energy expenditure, and energy cost in swimmers with physical disabilities," International Journal of Performance Analysis in Sport, Taylor & Francis Journals, vol. 19(4), pages 503-516, July.
    • Handle: RePEc:taf:rpanxx:v:19:y:2019:i:4:p:503-516
    DOI: 10.1080/24748668.2019.1631053
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