Roger Cole, Ph.D. is a certified Iyengar yoga teacher trained at the Iyengar yoga Institutes in San Francisco and Pune. He is also a Stanford University educated scientist with specialties in the science of relaxation, sleep, and circadian rhythms.

In the video below, Roger explains why setu bandha and viparita karani are such beneficial poses. He demonstrates how to trigger the baroreflex, one of the body’s mechanisms that helps maintain blood pressure at a constant level, to quiet the brain effectively in inverted postures and restorative practise.