Can school-based yoga improve heart rate variability and support a healthier stress response? Explore a controlled pilot study by Julia Frank, Georg Seifert, and colleagues from Jena University Hospital, Charité – Universitätsmedizin Berlin, Ernst-Abbe-Hochschule Jena, and Immanuel Hospital, examining how yoga postures, pranayama, meditation, and relaxation may influence autonomic nervous system regulation in young adults.
Can Yoga Help Regulate the Nervous System? Yoga may offer benefits beyond physical flexibility and strength. A 2020 study published in PLOS ONE by Julia Frank and colleagues explored whether incorporating yoga into school sports could influence the autonomic nervous system, which regulates the body's physiological responses to stress and recovery.
What Did the Researchers Study? Researchers analyzed heart rate variability (HRV) in 25 young adults, including 14 who practiced yoga and 11 who participated in conventional school sports. Both groups attended 90-minute weekly sessions over 10 weeks. The yoga program combined physical postures (asanas), breathing exercises (pranayama), meditation, and relaxation. What Did the Study Find? The yoga group demonstrated significant improvements from baseline in several HRV measures, including SDNN and RMSSD. These changes suggested greater heart rate variability and increased parasympathetic nervous system activity, associated with rest and recovery. Several additional measures indicated greater complexity and variability in heartbeat patterns following yoga practice. However, differences in HRV changes between the yoga and sports groups were not statistically significant, so the findings do not establish yoga's superiority over regular physical education.
What Does This Mean for Students? The results suggest that incorporating yoga into school physical education may help support autonomic self-regulation in young adults. Although larger randomized studies are needed, this pilot study offers promising physiological evidence supporting further research into yoga as part of student wellness programs.