Why the study?
Does chronic exercise (jogging) improve cardiac output and its determinants in healthy men?
Population
28 healthy individuals (15 healthy men, mean age 37.2 years, and 13 healthy controls)
Comparison
Jogging training for 3 and 6 months vs No training (healthy controls)
Design
Cohort
Follow-up
6 months
Authors
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Supports chronic jogging improving aerobic capacity and cardiac output in healthy men; leaves open mechanisms and applicability to patients.
Does chronic exercise (jogging) improve cardiac output and its determinants in healthy men?
Chronic exercise training increases cardiac output primarily through an increased preload rather than enhanced contractile state or reduced afterload.
Wolfe et al. (1982) studied this question.
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