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Related Experiment Videos

Using RPE to regulate exercise intensity during a 20-week training program for postmenopausal women: a pilot study.

Christopher C Dunbar1, Michael I Kalinski

  • 1Department of Physical Education and Exercise Science, Laboratory of Applied Physiology, Brooklyn College, NY 11210-2889, USA.

Perceptual and Motor Skills
|November 25, 2004
PubMed
Summary

Postmenopausal women can accurately use the Borg Rating of Perceived Exertion (RPE) scale to regulate exercise intensity. An acclimation period is needed for intensities above 40% VO2 max.

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Area of Science:

  • Exercise Physiology
  • Gerontology
  • Sports Science

Background:

  • The Borg Rating of Perceived Exertion (RPE) scale is validated for exercise intensity regulation.
  • Previous RPE validation studies predominantly used young, male participants and limited exercise sessions.

Purpose of the Study:

  • To examine the accuracy of RPE for regulating exercise intensity in postmenopausal women.
  • To assess RPE's effectiveness in a 20-week training program for this demographic.

Main Methods:

  • Six postmenopausal women (mean age 70.0 ± 7.1 years) underwent maximal graded exercise testing.
  • Target RPEs corresponding to 40%, 50%, and 60% VO2 max were established.
  • Participants regulated exercise intensity using target RPEs over a 20-week period, with intensity and duration progressively increasing.

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Main Results:

  • At week 2 (target 40% VO2 max), exercise intensity matched the target.
  • From weeks 4 to 10 (target 50-60% VO2 max), mean exercise intensity was below target.
  • By week 20, mean exercise intensity was no longer significantly different from the target.

Conclusions:

  • Postmenopausal women can effectively use RPE to regulate exercise intensity.
  • An initial acclimation period appears necessary for accurate RPE-guided intensity regulation above 40% VO2 max in this population.