Aerobic exercise training and cardiorespiratory fitness in older adults: A randomized control trial

R. A. Boileau, E. McAuley, D. Demetriou, N. K. Devabhaktuni, G. L. Dykstra, J. Katula, J. Nelson, A. Pascale, M. Pena, H. M. Talbot

Research output: Contribution to journalArticlepeer-review


A trial was conducted to examine the effect of moderate aerobic exercise training (AET) on cardiorespiratory (CR) fitness. Previously sedentary participants, age 60-75 years, were randomly assigned to either AET treatment or a control group for 6 months. The AET consisted of walking for 40 min three times/week at an intensity that elevated heart rate to 65% of maximum heart rate reserve. The control group performed a supervised stretching program for 40 min three times/week. CR fitness was assessed before and after the treatments during a grade-incremented treadmill walking test. Both absolute and relative peak VO2 significantly increased (p < .01) in the AET group, whereas they decreased modestly in the control group. Maximum treadmill time increased significantly (p < .01) in the AET group relative to the control group. These results indicate that CR fitness as measured by peak VO2 modestly improves in the elderly with a moderate-intensity, relatively long-term aerobic exercise program.

Original languageEnglish (US)
Pages (from-to)374-385
Number of pages12
JournalJournal of Aging and Physical Activity
Issue number4
StatePublished - 1999


  • Aerobic exercise
  • Aging
  • Cardiorespiratory fitness
  • Physical activity
  • Randomized trial

ASJC Scopus subject areas

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


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