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Related Experiment Videos

Interval training as an alternative modality to continuous exercise in patients with COPD.

I Vogiatzis1, S Nanas, C Roussos

  • 1National and Kapodistrian University of Athens, Medical School, Dept of Pulmonary and Critical Care Medicine, Eugenidion Hospital, Greece. vogiatzis@hotmail.com

The European Respiratory Journal
|August 9, 2002
PubMed
Summary

Interval training (IT) and continuous training (CT) both improve exercise tolerance and quality of life in patients with chronic obstructive pulmonary disease (COPD). Both methods yield similar physiological benefits, offering effective exercise strategies for COPD management.

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Area of Science:

  • Pulmonary Rehabilitation
  • Exercise Physiology
  • Chronic Obstructive Pulmonary Disease (COPD) Management

Background:

  • Optimal training load for inducing physiological adaptations in COPD patients remains under investigation.
  • Interval training (IT) is a potential alternative to continuous training (CT) for improving patient outcomes.

Purpose of the Study:

  • To compare the effectiveness of interval training (IT) versus continuous training (CT) in improving physiological responses, exercise tolerance (ET), and quality of life in COPD patients.
  • To determine if IT can induce measurable training effects comparable to CT.

Main Methods:

  • Thirty-six COPD patients (FEV1 45+/-4% predicted) were randomized into IT or CT groups.
  • Training involved cycling 40 min/day, 2 days/week for 12 weeks.

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  • CT group exercised at 50% peak work-rate; IT group performed 30s intervals at 100% peak work-rate with 30s rest.

    • Main Results:

    • Both IT and CT groups demonstrated significant improvements in exercise tolerance (ET) and quality of life scores.
    • Minute ventilation at identical exercise levels was significantly reduced in both groups post-training.
    • No significant differences in the magnitude of improvement were observed between the IT and CT groups.

    Conclusions:

    • Interval training (IT) is effective in inducing significant training effects in COPD patients, comparable to continuous training (CT).
    • IT offers a viable exercise strategy for COPD management, providing similar physiological benefits to CT.
    • These findings support the inclusion of IT in exercise prescriptions for individuals with COPD.