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Ventilatory muscle training in the elderly.

M J Belman1, G A Gaesser

  • 1Division of Respiratory Diseases, City of Hope Medical Center, Duarte, California 91010.

Journal of Applied Physiology (Bethesda, Md. : 1985)
|March 1, 1988
PubMed
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Ventilatory muscle training improved ventilatory muscle endurance and maximal voluntary ventilation in elderly individuals. However, it did not significantly enhance maximal exercise capacity or reduce perceived exertion during exercise.

Area of Science:

  • Gerontology
  • Exercise Physiology
  • Respiratory Medicine

Background:

  • Declining ventilatory function is common in the elderly and may limit exercise capacity.
  • Understanding the impact of ventilatory muscle function on exercise performance in older adults is crucial for promoting healthy aging.

Purpose of the Study:

  • To investigate whether impaired ventilatory function in the elderly affects exercise capacity.
  • To determine the effects of a structured ventilatory muscle training program on exercise capacity and ventilatory function in older adults.

Main Methods:

  • A randomized controlled trial involving 25 elderly subjects (65-75 years) undergoing 8 weeks of isocapnic hyperpnea training.
  • Measurements included maximal exercise capacity (incremental exercise test), ventilatory muscle endurance (maximum sustained ventilatory capacity), and ratings of perceived exertion (Borg scale).

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  • A control group received no training for comparison.

    • Main Results:

    • The trained group demonstrated a significant increase in maximum sustained ventilatory capacity (MSVC) and maximal voluntary ventilation.
    • No significant improvements were observed in maximal oxygen uptake, carbon dioxide consumption, or maximal minute ventilation during incremental exercise tests in the trained group.
    • Both trained and control groups showed similar, small decreases in perceived exertion for breathing and leg discomfort.

    Conclusions:

    • Ventilatory muscle training can effectively enhance ventilatory muscle strength and endurance in elderly individuals.
    • Despite improvements in ventilatory function, this specific training program did not translate to enhanced maximal exercise capacity in this age group.
    • Further research is needed to explore optimal training strategies for improving exercise performance in older adults with declining ventilatory function.