In the ancient scripture of the Yoga Sutras, written by the revered sage Patanjali, an sana, posture, is described as embodying both sthira, steadiness, and sukha, comfort. There are many methods in yoga by which to establish, at a muscular level, steadiness and comfort in our practice. These functional concerns are also the crux of Western physiological research. Inevitably they all must address the questions of:
What puts our muscles into their best anatomical advantage?What needs to be relaxed and strengthened to provide optimum alignment?