Cardiovagal Response to Acute Mild Exercise in Young Healthy Subjects
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Why the study?
Does a single bout of mild exercise improve autonomic nervous system activity in healthy young men?
Population
18 healthy males, aged between 20 and 24 years, who had not been training regularly for the last 3 months…
Comparison
A single bout of treadmill exercise training for… vs Baseline (pre-exercise) measurements.
Design
Other
Follow-up
60 minutes post-exercise
Authors
Discussion
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Implication
Acute mild exercise may enhance baroreflex sensitivity in young men; hypothesis-generating and requires confirmation before clinical consideration.
Structured PICO
Does a single bout of mild exercise improve autonomic nervous system activity in healthy young men?
P
Population
18 healthy males, aged between 20 and 24 years, who had not been training regularly for the last 3 months, normotensive, with no history of cardiopulmonary disease.
I
Intervention
A single bout of treadmill exercise training for 30 minutes at 65% of maximal heart rate.
C
Comparator
Baseline (pre-exercise) measurements.
O
Outcome
Autonomic nervous system activity assessed by systolic arterial pressure (SAP), RR interval, heart rate variability (HRV) indices (SDNN, RMSSD, pNN50), noninvasive spectral baroreflex sensitivity (Spe-BRS), and phenylephrine baroreflex sensitivity (Phe-BRS) after a 60-minute recovery period.surrogate
A single session of mild exercise in sedentary young men significantly improves autonomic nervous system function, suggesting even mild physical activity is beneficial for neural cardiac regulation.
Cite This Study
Raczak et al. (2005) studied this question.
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