Yoga Improves the Function of the Nervous System…

To say that yoga simply relaxes the nervous system is an oversimplification. Many yogic practices, like backbends and strong pranayama techniques, actively stimulate the SNS, so yoga’s benefits can’t be reduced to just relaxation. What you want is an ANS that’s finely tuned to respond to whatever stresses life brings, shifting the relative activation of the PNS and SNS as needed. My guess is that yoga, by a combination of stimulating and relaxing practices, tones the nervous system to give it this flexibility. Researchers analyze the function of the ANS by looking at such factors as how well the body senses and adjusts to changes in body position (baroreceptor sensitivity) and whether the heart maintains a healthy though subtle variation in its rhythm (heart rate variability). Yoga appears to improve both of these measures. (source: Timothy McCall, M.D.)

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