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December 14, 2015International Journal of YogaOpen Access

Impact of short-term practice of yoga on heart rate variability

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Key result

One month of daily yoga is linked to a ~25% higher SDNN, reflecting parasympathetic predominance.

  • P=0.006
  • n=40

Why the study?

Does short-term practice of yoga improve heart rate variability in healthy male volunteers?

Population

40 healthy male volunteers, age 30-60 years, with no previous yoga experience. Excluded: cardiovascular…

Design

Cohort

Follow-up

1 month

Authors

AVA V VinayDVD Venkatesh

Discussion

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Member takes

Overview

Short-term yoga was associated with favorable HRV shifts in healthy men; leaves open relevance to patients or sustained outcomes.

Structured PICO

Does short-term practice of yoga improve heart rate variability in healthy male volunteers?

P
Population
40 healthy male volunteers aged 30 to 60 years with no previous yoga experience, evaluated before and after 1 month of daily yoga practice.
I
Intervention
Integrated yoga comprising stretching exercises, prayer, asanas, pranayama, and meditation practiced for 1 hour daily, 6 days a week for 1 month under the guidance of a certified yoga instructor.
O
Outcome
Heart rate variability (HRV) parameters including time domain (SDNN, RMSSD, NN50, PNN50) and frequency domain (LF, HF, LF/HF ratio, VLF) assessed pre- and post-intervention.surrogate

Main Result

Absolute Event Rate: 42.11% vs 33.6%

p-value: p=0.006

Short-term practice of yoga for one month significantly improves heart rate variability by shifting the autonomic balance toward parasympathetic predominance in healthy males.

Limitations

  • Lack of a control group

Cite This Study

Vinay et al. (2015) studied Healthy (n=40). Yoga vs. Pre-intervention baseline was evaluated on SDNN (ms) (p=0.006). One month of daily yoga practice significantly increased SDNN from 33.60 ms to 42.11 ms and reduced the LF/HF ratio from 2.62 to 2.28, indicating a shift toward parasympathetic predominance.

synapsesocial.com/papers/6aa0dbafc0e1046e90f7a327https://doi.org/10.4103/0973-6131.171714
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Also Consider

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