by NinaWhen I first starting taking yoga, I was confused about why my teachers were always rushing put to a folded blanket under my head when I was lying on my back. Something about the position of my head when I was lying on the floor was driving them crazy, but what was it? And why was it such a problem?Later I learned that they were adding this support because, when my head was flat on the floor, due to tightness in my shoulders, my neck was arching...
