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Pulmonary changes during marathon training: a longitudinal study.

D A Kaufmann, E W Swenson

    Respiration; International Review of Thoracic Diseases
    |January 1, 1981
    PubMed
    Summary
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    Marathon training in two middle-aged men showed improvements in several pulmonary function variables, including total lung capacity (TLC) and diffusing capacity (DCO). This suggests marathon running may help maintain lung health and counteract age-related decline.

    Area of Science:

    • Pulmonary Physiology
    • Exercise Science
    • Sports Medicine

    Background:

    • Aging is associated with a decline in pulmonary function.
    • Marathon running is a demanding endurance activity with potential physiological impacts.
    • Limited data exists on the long-term effects of marathon training on lung function in middle-aged individuals.

    Purpose of the Study:

    • To assess differences between observed and predicted pulmonary function scores in marathon runners.
    • To determine changes in pulmonary function over three years of marathon training.
    • To investigate the potential of marathon training to mitigate age-related pulmonary decline.

    Main Methods:

    • Longitudinal study of two middle-aged, non-smoking male marathon runners over three years.

    Related Experiment Videos

  • Measurement of multiple pulmonary function variables including forced vital capacity (FVC), lung volumes, and diffusing capacity.
  • Training regimen involved 45-70 miles per week for 52 weeks annually.

    • Main Results:

    • Subject A improved five pulmonary variables (TLC, FRC, FRC/TLC ratio, DCO, k'CO).
    • Subject B improved three pulmonary variables (FRC, FRC/TLC ratio, k'CO).
    • Both subjects maintained good-to-great pulmonary health, with some variables showing improvement against predicted age-related decline.

    Conclusions:

    • Marathon training may positively influence certain aspects of pulmonary function.
    • Observed improvements suggest marathon running could potentially counteract age-related deterioration in lung capacity and gas exchange.
    • While not generalizable, findings indicate a potential benefit of endurance training for lung health.