1 Lie on back, small pillow under shoulder blades, knees bent. Extend arms back of head; hold position five minutes. 2 Lie on back, hands under head, knees bent. Ro- tate hips with arrows, flattening lower back, and pulling abdomen in and up. Relax and repeat. 3 Lie flat on back, arms at sides. Raise trunk by press- ing head down and arching back from head to hips, swinging arms over head; return arms and repeat. Py Oe er es 4 Lie flat on back, arms over head, wrists resting on books or other support. Press down with hands, lift- ing head and trunk as far as possible. Relax and repeat.