Why the study?
How do the parameters of the power-duration relationship during exercise differ between patients with COPD and healthy controls?
Population
18 subjects: 8 nonhypoxemic patients with chronic obstructive pulmonary disease and 10 healthy controls.
Comparison
Maximum-incremental exercise test on cycle… vs Healthy controls undergoing the same exercise…
Design
Cross-sectional
Authors
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Critical power nears peak capacity in COPD; hypothesis-generating for exercise limits and leaves open prognostic or training implications.
How do the parameters of the power-duration relationship during exercise differ between patients with COPD and healthy controls?
In COPD patients, the critical power asymptote occurs closer to peak work rate than in healthy controls, separating sustainable from nonsustainable exercise intensity.
Neder et al. (2000) studied this question.
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