Prediction of peak oxygen uptake from submaximal exercise tests in older men and women

Barbara Ainsworth, Robert G. McMurray, Susan K. Veazey

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The purpose of this study was to determine the accuracy of two submaximal exercise tests, the Sitting-Chair Step Test (Smith & Gilligan, 1983) and the Modified Step Test (Amundsen, DeVahl, & Ellingham, 1989) to predict peak oxygen uptake (VO2 peak) in 28 adults ages 60 to 85 years. VO2 peak was measured by indirect calorimetry during a treadmill maximal graded exercise test (VO2 peak, range 11.6-31.1 ml · kg-1 · min-1). In each of the submaximal tests, VO2 was predicted by plotting stage-by-stage submaximal heart rate (HR) and perceived exertion (RPE) data against VO2 for each stage and extrapolating the data to respective age-predicted maximal HR or RPE values. In the Sitting-Chair Step Test (n = 23), no significant differences were observed between measured and predicted VO2 peak values (p > .05). However, predicted VO2 peak values from the HR were 4.3 ml · kg-1 · min-1 higher than VO2 peak values predicted from the RPE data (p < .05). In the Modified Step Test (n = 22), no significant differences were observed between measured and predicted VO2 peak values (p > .05). Predictive accuracy was modest, explaining 49-78% of the variance in VO2 peak. These data suggest that the Sitting-Chair Step Test and the Modified Step Test have moderate validity in predicting VO2 peak in older men and women.

Original languageEnglish (US)
Pages (from-to)27-38
Number of pages12
JournalJournal of Aging and Physical Activity
Volume5
Issue number1
StatePublished - Jan 1997
Externally publishedYes

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Exercise Test
Oxygen
Heart Rate
Indirect Calorimetry

Keywords

  • Elderly
  • Exercise
  • Exertion
  • Geriatric
  • Physical fitness

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Orthopedics and Sports Medicine
  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Prediction of peak oxygen uptake from submaximal exercise tests in older men and women. / Ainsworth, Barbara; McMurray, Robert G.; Veazey, Susan K.

In: Journal of Aging and Physical Activity, Vol. 5, No. 1, 01.1997, p. 27-38.

Research output: Contribution to journalArticle

Ainsworth, Barbara ; McMurray, Robert G. ; Veazey, Susan K. / Prediction of peak oxygen uptake from submaximal exercise tests in older men and women. In: Journal of Aging and Physical Activity. 1997 ; Vol. 5, No. 1. pp. 27-38.
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