Key result
Prolonged moderate-intensity exercise in the sitting position maintained constant cardiac output while heart rate increased to 138.5 beats/min and stroke volume continuously fell over 60 minutes.
Why the study?
How does prolonged exercise of moderate intensity in the sitting position affect circulatory and respiratory adaptation in healthy young men?
Population
6 healthy young men of ordinary physical fitness
Comparison
Prolonged exercise of moderate intensity in the… vs Rest (baseline)
Design
Other
Follow-up
60 minutes
Authors
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Requires cautious interpretation beyond healthy subjects; leaves open clinical relevance and mechanisms in disease states.
Observational (n=6)
How does prolonged exercise of moderate intensity in the sitting position affect circulatory and respiratory adaptation in healthy young men?
Prolonged moderate exercise in the sitting position leads to a constant cardiac output maintained by increasing heart rate and falling stroke volume, likely due to decreased vasomotor tone.
L G Ekelund (1967) conducted an observational in Healthy (n=6). Prolonged exercise of moderate intensity in the sitting position vs. Rest was evaluated on Circulatory and respiratory adaptation. Prolonged moderate-intensity exercise in the sitting position maintained constant cardiac output while heart rate increased to 138.5 beats/min and stroke volume continuously fell over 60 minutes.
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