Why the study?
Does preinduced quadriceps fatigue reduce endurance time during constant-workrate cycling in COPD patients and healthy subjects?
Population
15 patients with chronic obstructive pulmonary disease (COPD) and 9 age-matched healthy subjects (n=24)
Comparison
Constant-workrate cycling exercise testing up to… vs Constant-workrate cycling exercise testing in a…
Design
RCT, randomized order
Follow-up
7 days apart (crossover tests)
Authors
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Preinduced quadriceps fatigue shortens cycling endurance in COPD; confirms peripheral muscle fatigue as an independent limiter of exercise tolerance.
Does preinduced quadriceps fatigue reduce endurance time during constant-workrate cycling in COPD patients and healthy subjects?
Peripheral muscle fatigue is an important factor limiting exercise tolerance in COPD patients, independent of intense dyspnea.
Gagnon et al. (2009) studied this question.
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