My Baba emphasized the importance of the seated pose. He wrote, “For meditation the most important thing is asana, that your spine be kept straight, upright.” Sit up. Glide your neck and head back so they’re in line with your spine. At the crown of your head, the top of your head, is a thousand-petaled lotus…

— Gurudevi Nirmalananda

From Gurudevi’s full discourse “Sitting for Meditation“