Relationship between oxygen uptake, heart rate, and perceived effort in an aquatic incremental test in older women

Luana Siqueira Andrade, Ana Carolina Kanitz, Mariana Silva Häfele, Gustavo Zaccaria Schaun, Stephanie Santana Pinto, Cristine Lima Alberton

Publications: Contribution to journalArticlePeer Reviewed

Abstract

Different parameters can be used to control the intensity of aerobic exercises, a choice that should consider the population and exercise environment targeted. Therefore, our study aimed to verify the relationship between oxygen uptake (VO2), heart rate (HR), rating of perceived exertion (RPE), and cadence during an aquatic incremental test in older women. Nine older women (64.3 ± 4.4 years) engaged in a water-based aerobic training performed an aquatic incremental test using the stationary running exercise (cadence increases of 15 b·min−1 every 2 min) until participants’ volitional exhaustion. VO2, HR, and RPE data were measured, and the percentage of peak VO2 (%VO2peak) and percentage of maximal HR (%HRmax) were calculated. Linear and polynomial regression analyses were performed (α = 0.05). Polynomial regressions revealed the best adjustments for all analyses. Data showed a significant relationship (p < 0.001) between %VO2peak and %HRmax (r = 0.921), %VO2peak and RPE (r = 0.870), and %HRmax and RPE (r = 0.878). Likewise, significant relationships between cadence (p < 0.001) and %VO2peak (r = 0.873), %HRmax (r = 0.874), and RPE (r = 0.910) were also observed. In summary, the physiological, subjective, and mechanical variables investigated were highly associated during an aquatic incremental test to exhaustion in older women. Therefore, these different parameters can be employed to adequately prescribe water-based programs according to preference and availability.

Original languageEnglish
Article number8324
Pages (from-to)1-12
Number of pages12
JournalInternational Journal of Environmental Research and Public Health
Volume17
Issue number22
DOIs
Publication statusPublished - 2 Nov 2020

Austrian Fields of Science 2012

  • 303028 Sport science
  • 303030 Training science
  • 302020 Gerontology

Keywords

  • Aging
  • Cardiorespiratory
  • Maximum test
  • Rate of perceived exertion
  • Water aerobics
  • Water-based exercises

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