Key result
Exercise training strongly improves HRV parameters RMSSD and SDNN vs no intervention in healthy adults.
Why the study?
There was a lack of meta-analyses evaluating the effects of exercise training on autonomic modulation and heart rate variability parameters among healthy adults.
Does exercise training improve heart rate variability parameters in healthy adults?
Comparison
Exercise training vs control
Design
Systematic review and random-effects meta-analysis of RCTs
Authors
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Supports exercise recommendations to enhance autonomic function in healthy adults; reinforces Level 1 evidence on HRV benefits.
Meta-Analysis (n=623)
Does exercise training improve heart rate variability parameters in healthy adults?
Effect estimate: SMD 0.84 (95% CI 0.36, 1.31)
p-value: p=0.0005
Exercise training significantly enhances heart rate variability parameters associated with vagal and sympathetic activity in healthy adults.
Amekran et al. (2024) conducted a meta-analysis in Healthy adults (n=623). Exercise training vs. No intervention was evaluated on Root mean square of successive differences in heart period series (RMSSD) (SMD 0.84, 95% CI 0.36, 1.31, p=0.0005). Exercise training significantly improved heart rate variability parameters, including RMSSD (SMD 0.84) and SDNN (SMD 0.58), compared to no intervention in healthy adults.
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