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Related Concept Videos

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Related Experiment Video

Updated: Jun 30, 2026

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
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Published on: August 24, 2019

Relationship between field walking tests and incremental cycle ergometry in COPD.

Nia Luxton1, Jennifer A Alison, Judy Wu

  • 1Discipline of Physiotherapy, The University of Sydney, Sydney, New South Wales, Australia. n.luxton@usyd.edu.au

Respirology (Carlton, Vic.)
|September 25, 2008
PubMed
Summary
This summary is machine-generated.

Clinicians can estimate cycle exercise training intensity for COPD patients using results from the 6-minute walk test (6MWT) or incremental shuttle walk test (ISWT). These walk tests correlate well with peak work rate on a cycle ergometer test (CET).

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Area of Science:

  • Pulmonary rehabilitation
  • Cardiorespiratory exercise testing
  • Chronic Obstructive Pulmonary Disease (COPD) management

Background:

  • Cycle ergometer training is crucial for COPD pulmonary rehabilitation.
  • Prescribing individualized training intensity requires accessible cycle ergometer tests (CET).
  • Current availability of CET for clinicians may be limited.

Purpose of the Study:

  • To investigate physiological and psychophysical responses during the 6-minute walk test (6MWT), incremental shuttle walk test (ISWT), and CET.
  • To determine if 6MWT or ISWT distances can estimate peak cycle ergometer work rate.

Main Methods:

  • A repeated measures study involving stable COPD patients.
  • Patients completed 6MWT, ISWT, and CET in a randomized order.
  • Measurements included physiological responses, perceived exertion, and dyspnea.

Main Results:

  • No significant difference in peak oxygen uptake across the three tests.
  • Strong correlations were found between walk test distances (6MWT, ISWT) and peak work rate on CET.
  • Regression models, adjusted for weight, age, and gender, showed high predictive power (r=0.89-0.91).
  • Bland-Altman analysis confirmed strong agreement between measured and estimated peak work rates.

Conclusions:

  • Significant relationships exist between 6MWT, ISWT, and CET.
  • Regression equations allow for estimating CET peak work rate from walk tests.
  • This facilitates the prescription of cycle exercise training intensity for COPD patients using readily available walk tests.