This Yoga Sequence helps to stretch out tight hip flexors & hamstrings. This decreases muscle aches & pains, increases flexibility, and decreases risk for injuries. This is especially useful for runners and other athletes.
The sciatic nerve is located deep in the buttock. Because of its vicinity to the piriformis muscle, constriction or swelling of the muscle may lead to irritation of the nerve and pain. (Effects Of Bad Posture Lower Backs)