The direct obtaining of vo2max is not influenced by the characteristic of the maximum effort test protocols

Authors

  • Alberto Souza Sá Filho Universidade Evangélica de Goiás, Anápolis, GO, Brasil.
  • Thiago Albernaz Silva Universidade Evangélica de Goiás, Anápolis, GO, Brasil.
  • Marcelo Magalhães Sales Universidade Estadual de Goiás. Departamento de Educação Física, Campus Quirinópolis, GO, Brasil.
  • Iransé Oliveira-Silva Universidade Evangélica de Goiás, Anápolis, GO, Brasil.
  • Gilberto Reis Agostinho Universidade Salgado de Oliveira. Departamento de Educação Física, Goiânia, GO, Brasil.
  • Sérgio Machado Instituto Neurodiversidade, Queimados, Rio de Janeiro, RJ, Brasil.
  • Gustavo de Conti Teixeira Costa Universidade Federal de Goiás. Departamento de Educação Física, Goiânia, GO, Brasil.
  • Ercole da Cruz Rubini Universidade Estácio de Sá, Rio de Janeiro, RJ, Brasil.

DOI:

https://doi.org/10.11606/

Keywords:

Maximum Oxygen uptake, Heart rate, Time to exhaustion, Aerobic exercise

Abstract

The values of maximum oxygen consumption (VO2max) obtained indirectly are influenced by the characteristic or exercise protocol configuration. However, it is unclear in the literature if this prerogative is true when VO2max is measured directly. The objective was to compare the values of VO2max and maximal heart rate (HRmax) obtained through a maximum incremental protocol (Tmax) and a continuous time to exhaustion (TLim) protocol, based on the power of the VO2max. Twelve males cyclists (Age = 36,0 ± 9,3 years; height = 173,2 ± 5,9 cm; mass = 78,5 ± 10,7 kg), trained for regional proves of long distance participated in the study. A Tmax was performed on the cycle ergometer with increments of 22.5 W every minute, with an initial load of 157.5 W maintaining a standard rotation of 90 RPM. TLim was performed at the same rotation until exhaustion from the lowest occurrence power of VO2max (PVO2max). Student's t-test was used to compare the dependent variables (p≤0.05). There was no significant difference in the obtained values of VO2max and HRmax (TMax = 45.02 ± 7.21 ml · kg-1 · min-1 vs. TLim = 44.17 ± 7.21 ml · kg-1 · min-1) e (HRTmax = 182.9 ± 9.2 bpm vs. HRTLim =  181.3 ± 7.5 bpm), respectively, when compared both tests. The TLim on PVO2Max provided reliable values of VO2max and HRmax, and a shorter total test time performed, compared to a maximal incremental protocol.

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Published

2023-12-31

Issue

Vol. 37 (2023)

Section

Articles

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How to Cite

Sá Filho, A. S., Silva, T. A., Sales, M. M., Oliveira-Silva, I., Agostinho, G. R., Machado, S., Costa, G. de C. T., & Rubini, E. da C. (2023). The direct obtaining of vo2max is not influenced by the characteristic of the maximum effort test protocols. Brazilian Journal of Physical Education and Sport, 37, e37190127. https://doi.org/10.11606/