Here are some books on the subject ... Start with "Awaken Healing Light ..." and go from there ... http://www.healing-tao.com/tao-garden/universal/en/books/ .

This exercise may be performed at any time when you have a few quiet moments to spare. It can even be used in bed, if you are having difficulty getting to sleep. Adopt a relaxed posture as described in the meditation procedure, close your eyes, and take three deep breaths in the same way. Breathe normally and steadily. Be aware of your breathing, feel its rhythm. Become aware of your toes. The feelings in them, the life in them. Concentrate all your awareness on your toes. Feel a glowing light suffusing them, warming, energizing and relaxing them. Become aware of your feet. The feelings in them, the life in them. Concentrate all your awareness on your feet. Feel a glowing light suffusing them, warming, energizing and relaxing them. Become aware of your heels and ankles. The feelings in them, the life in them. Concentrate all your awareness on your heels and ankles. Feel a glowing light suffusing them, warming, energizing and relaxing them. Continue with your shins and calves, your knees, your thighs, the lower part of your body, your stomach, and your back. Now start with your fingertips. Continue the exercise with your fingers, your hands, your wrists, your elbows, and your upper arms. In the same way, relax your chest, and the upper part of your spine. Continue with your neck and throat, the back of your head, your scalp, your ears, your cheeks. Then your lower jaw, your mouth, your nose, your eyes and your forehead. Be aware of the whole of your body at once, in an alert but relaxed state. You may now proceed with your planned meditation. Otherwise, just open your eyes and sit quietly for a few moments to obtain the full benefit of the successful exercise.