Excerpt: ...which is more or less according to the healthful state of the body. The same motion must be repeated with the other leg. Every movement should be slower each day. It is well to repeat the movements of the legs for three times, trying each time to move more slowly, with the leg heavier than the time before. After this, lift the arm slowly from the shoulder, letting the hand hang over until it is perpendicular to the floor. Be careful to think the arm heavy, and the motive power in the shoulder. It helps to relax if you imagine your arm held to the shoulder by a single hair, and that if you move it with a force beyond the minimum needed to raise it, it will drop off entirely. To those who have little or no imagination this will seem ridiculous; to others who have more, and can direct it usefully, this and similar ways will be very helpful. After the arm is raised to a perpendicular position, let the force of gravity have it,