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Related Experiment Videos

Cardiovascular changes with age and exercise. A 28-year longitudinal study

F W Kasch1, J L Boyer, S Van Camp

  • 1San Diego State University, California, USA.

Scandinavian Journal of Medicine & Science in Sports
|June 1, 1995
PubMed
Summary

Regular aerobic exercise significantly preserves circulatory function (VO2max) and healthy blood pressure in aging men. Maintaining physical activity combats age-related declines in cardiorespiratory fitness.

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Area of Science:

  • Exercise Physiology
  • Aging Research
  • Cardiovascular Health

Background:

  • Age-related decline in cardiorespiratory function, specifically VO2max, is a significant concern.
  • Studies indicate a substantial decrease in VO2max per decade, impacting overall health.
  • Maintaining cardiovascular health during aging is crucial for quality of life.

Purpose of the Study:

  • To investigate the long-term effects of regular aerobic exercise on cardiorespiratory function (VO2max) and blood pressure in aging men.
  • To compare the physiological changes in consistently exercising individuals versus those who detrained over several decades.
  • To determine if exercise can mitigate the natural decline in circulatory function associated with aging.

Main Methods:

  • Longitudinal study tracking 12 exercising men (E) over 28 years and 12 detrained men (C) over 21 years.

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  • Measurements included VO2max (maximal oxygen uptake) and resting blood pressure at initial and final assessments.
  • Ages ranged from 43 to 71 years for the exercising group and 48 to 69 years for the control group.

    • Main Results:

    • Exercising men (E) showed a modest 5% per decade decline in VO2max, from 45.9 to 39.4 ml.min-1.kg-1.
    • Detrained men (C) experienced a significantly steeper decline of 19% per decade in VO2max, from 36.0 to 21.4 ml.min-1.kg-1.
    • Resting blood pressure remained stable in E (119/75 mmHg) but increased in C (from 128/85 to 149/90 mmHg).

    Conclusions:

    • Regular aerobic exercise effectively preserves cardiorespiratory function (VO2max) in aging men.
    • Consistent physical activity helps maintain healthy blood pressure levels over time.
    • Exercise is a potent intervention to counteract age-related deterioration of circulatory function.