Why the study?
Does body position influence exercise tolerance and physiological parameters during bicycle exercise in male patients with coronary insufficiency?
Does body position influence exercise tolerance and physiological parameters during bicycle exercise in male patients with coronary insufficiency?
Supine position during exercise testing in patients with coronary insufficiency reduces exercise tolerance and precipitates angina at lower hemodynamic thresholds.
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Supine bicycle testing warrants caution in coronary insufficiency due to earlier angina; leaves open need for position-adjusted protocols.
The influence of body position on exercise tolerance, heart rate, systolic blood pressure, and breathing frequency was studied during bicycle exercise in 37 male patients with coronary in- sufficiency. With identical work loads before the onset of angina pectoris, the heart rate was significantly higher in the supine position. Exercise tolerance was lower in the supine position, and angina pectoris developed at a significantly lower heart rate and systolic blood pressure.
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H. Lecerof (1971) studied this question.
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