After 10 cycles of breath, slowly bend your knees and roll the spine down until the whole back side of your body rests on the floor. (yogajournal.com)
He put his hand on my scalp with a firm but gentle downward pressure and proceeded to palpate the left back side of my body, mainly around my ribs. (mindbodygreen.com)
Exercises are placed in a specific order alternating between the front and back sides of the body which aim to elongate one side while strengthening the other — improving posture and alignment to boot! (saragottfriedmd.com)