Why the study?
Does arterial O2 content or tension primarily regulate cardiac output and leg blood flow during exercise in healthy young men?
Population
7 healthy young men
Comparison
Isovolemic hemodilution combined with two-legged… vs Control hemoglobin concentration combined with…
Design
Other
Authors
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Supports arterial O2 content over tension for exercise blood flow regulation; leaves open translation to patients with cardiovascular disease.
Does arterial O2 content or tension primarily regulate cardiac output and leg blood flow during exercise in healthy young men?
Regulation of cardiac output, leg blood flow, and arterial O2 delivery to contracting intact human skeletal muscle during exercise is primarily dependent on arterial O2 content rather than O2 tension.
Roach et al. (1999) studied this question.
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