Hold the waist, spine, chest, neck, and head erect,...
Hold the waist, spine, chest, neck, and head erect, motionless and steady, fix the eyes and the mind steadily between the eye brows, and do not look around.
Hold the waist, spine, chest, neck, and head erect, motionless and steady, fix the eyes and the mind steadily between the eye brows, and do not look around.