Exercise intervention does not reduce the likelihood of VO2max underestimation in older adults with hypertension

Gustavo Zaccaria Schaun*, Cristine Lima Alberton, Maria Laura Brizio Gomes, Graciele F. Mendes, Mariana S. Häfele, Luana S. Andrade, Paula C. Campelo, Hector K. Ferreira, Lorena L. Oppelt, Leony M. Galliano, Leonardo Alves, Vinícius Alano de Ataides, Marco Antonio Carmona, Rafael Lázaro, Stephanie S. Pinto, Eurico N. Wilhelm

*Corresponding author for this work

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The present study aimed to investigate whether training status would influence the capacity of a verification phase (VER) to confirm maximal oxygen uptake (VO 2max) of a previous graded exercise test (GXT) in individuals with hypertension. Twelve older adults with hypertension (8 women) were recruited. Using a within-subject design, participants performed a treadmill GXT to exhaustion followed by a multistage VER both before and after a 12-wkcombined exercise training programme. Individual VO 2max, respiratory exchange ratio (RER), maximal heart rate (HR max), and rating of perceived exertion (RPE) were measured during both GXT and VER tests. Absolute and relative VO 2max values were higher in VER than in GXT at baseline, but only absolute VO 2max differed between bouts post-intervention (all p < 0.05). Individual VO 2max comparisons revealed that 75% of the participants (9/12) achieved a VO 2max value that was ≥3% during VER both before (range: +4.9% to +21%) and after the intervention (range: +3.4% to +18.8%), whereas 91.7% (11/12) of the tests would have been validated as a maximal effort if the classic criteria were employed. A 12-wk combined training intervention could not improve the capacity of older adults with hypertension to achieve VO 2max during a GXT, as assessed by VER.

Original languageEnglish
Pages (from-to)1399-1405
Number of pages7
JournalJournal of Sports Sciences
Issue number12
Early online date24 May 2022
Publication statusPublished - 18 Jun 2022


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