Key result
Habitual moderate physical activity, especially moderate- to very high-intensity activities, was associated with higher vagal-related HRV indexes compared to a sedentary lifestyle (P<0.05).
Why the study?
Does the intensity of habitual physical activity improve heart rate variability and quality of life in middle-aged persons?
Population
43 middle-aged subjects, mean age 61.2 +/- 4.3 years
Comparison
Habitual moderate physical activity energy… vs Sedentary lifestyle with low physical activity…
Design
Cross-sectional
Authors
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Hypothesis-generating for activity intensity effects on vagal tone; prospective trials needed before changing practice in middle-aged adults.
Observational (n=43)
Does the intensity of habitual physical activity improve heart rate variability and quality of life in middle-aged persons?
p-value: p=<0.05
Habitual moderate physical activity, particularly at higher intensities, is associated with improved vagal tone and better quality of life in middle-aged adults.
Buchheit et al. (2005) reported an observational. Moderate to very high-intensity physical activity vs. Sedentary lifestyle (low-energy expenditure) was evaluated on Vagal-related HRV indexes (p=<0.05). Habitual moderate physical activity, especially moderate- to very high-intensity activities, was associated with higher vagal-related HRV indexes compared to a sedentary lifestyle (P<0.05).
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