Key result
A 10-week yoga program in school sports did not significantly improve group-by-time interaction for nocturnal heart rate variability indices compared to conventional sports, though within-group analyses showed increased parasympathetic dominance.
Why the study?
Prior studies demonstrating the benefits of school-taught yoga relied mostly on subjective psychometric data, leaving its effects on autonomic regulation in young adults unassessed using heart rate variability.
Does a 10-week school yoga program improve autonomic regulation measured by heart rate variability in healthy young adults compared to conventional school sports?
Comparison
10-week yoga program vs conventional school sports
Design
Non-randomized explorative two-arm pilot study with active control
Follow-up
10 weeks
Authors
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No evidence to adopt yoga over conventional sports for nocturnal HRV in schools; leaves open hypothesis-generating within-group parasympathetic effects for larger trials.
Does a 10-week school yoga program improve autonomic regulation measured by heart rate variability in healthy young adults compared to conventional school sports?
Effect estimate: ωp2 -0.041
p-value: p=0.528
A 10-week school yoga program may increase parasympathetic dominance and overall HRV in young adults compared to regular sports, though interaction effects were not statistically significant in this small pilot study.
Frank et al. (2020) studied Healthy (n=25). Yoga vs. Conventional school sports (90 min once a week) was evaluated on RMSSD group-by-time interaction (ωp2 -0.041, p=0.528). A 10-week yoga program in school sports did not significantly improve group-by-time interaction for nocturnal heart rate variability indices compared to conventional sports, though within-group analyses showed increased parasympathetic dominance.
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