Key result
Aerobic exercise training for 12 weeks did not alter resting muscle sympathetic nerve activity (23.1 vs 23.6 bursts/min) or neurocirculatory baroreceptor responses in healthy men >40 years of age.
Why the study?
Does 12 weeks of high-intensity aerobic training alter baroreflex regulation of cardiac and sympathetic function in healthy middle-aged to older men?
Population
10 healthy men > 40 yr of age (middle-aged to older population)
Comparison
12 weeks of high-intensity aerobic exercise… vs Pre-training baseline
Design
Cohort
Follow-up
12 weeks
Authors
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Short-term aerobic training was not associated with MSNA or baroreflex changes in healthy older men; leaves open effects in patients or with longer protocols.
Observational (n=10)
Does 12 weeks of high-intensity aerobic training alter baroreflex regulation of cardiac and sympathetic function in healthy middle-aged to older men?
Short-term high-intensity aerobic training improves maximal oxygen uptake and resting hemodynamics but does not alter resting MSNA or neurocirculatory responses to baroreceptor challenges in healthy middle-aged and older men.
Sheldahl et al. (1994) conducted an observational in healthy (n=10). aerobic exercise training vs. baseline was evaluated on baroreflex regulation of muscle sympathetic nerve activity and cardiac R-R intervals. Aerobic exercise training for 12 weeks did not alter resting muscle sympathetic nerve activity (23.1 vs 23.6 bursts/min) or neurocirculatory baroreceptor responses in healthy men >40 years of age.
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