Ankle Pumps - Lie on back. Move ankles up and down. Repeat 10 times. Heel Slides - Lie on back. Slowly bend and straighten knee. Repeat 10 times. Abdominal Contraction - Lie on back with knees bent and hands resting below ribs. Tighten abdominal muscles to squeeze ribs down toward back. Do not hold breath. Hold 5 seconds. Relax. Repeat 10 times. Wall Squats - Stand with back leaning against wall. Walk feet 12 inches in front of body. Keep abdominal muscles tight while slowly bending both knees 45 degrees. Hold 5 seconds. Slowly return to upright position. Repeat 10 times. Heel Raises - Stand with weight even on both feet. Slowly raise heels up and down. Repeat 10 times. Straight Leg Raises - Lie on back with one leg straight and one knee bent. Tighten abdominal muscles to stabilize low back. Slowly lift leg straight up about 6 to 12 inches and hold 1 to 5 seconds. Lower leg slowly. Repeat 10 times. Single Knee to Chest Stretch - Lie on back with both knees bent. Hold thigh behind knee and bring one knee up to chest. Hold 20 seconds. Relax. Repeat 5 times on each side. Hamstring Stretch - Lie on back with legs bent. Hold one thigh behind knee. Slowly straighten knee until a stretch is felt in back of thigh. Hold 20 seconds. Relax. Repeat 5 times on each side. Hip Flexor Stretch - Lie on back near edge of bed, holding knees to chest. Slowly lower one leg down, keeping knee bent, until a stretch is felt across top of the hip/thigh. Hold 20 seconds. Relax. Repeat 5 times on each side. Piriformis Stretch - Lie on back with both knees bent. Cross one leg on top of the other. Pull opposite knee to chest until a stretch is felt in the buttock/hip area. Hold 20 seconds. Relax. Repeat 5 times each side. Standing with ball between your low back and wall. Slowly bend knees 45 to 90 degrees. Hold 5 seconds. Straighten knees. Slowly bend knees 45 to 90 degrees while raising both arms over head. Lie on back with knees bent and calves resting on ball. Slowly raise arm over head and lower arm, alternating right and left sides. Slowly straighten one knee and relax, alternating right and left sides. Slowly straighten one knee and raise opposite arm over head. Alternate opposite arms and legs. Slowly "walk" ball forward and backward with legs. Sitting on ball with hips and knees bent 90 degrees and feet resting on floor. Slowly raise arm over head and lower arm, alternating right and left sides. Slowly raise and lower heel, alternating right and left sides. Slowly raise one heel and raise opposite arm over head. Alternate opposite arm and heel. Marching: Slowly raise one foot 2 inches from floor, alternating right and left sides. Lie on stomach over ball. 'Walk' hands out in front of ball until ball is under legs. Reverse to starting position. 'Walk' hands out in front of ball until ball is under legs and slowly raise alternating arms over head. 'Walk' hands out in front of ball and slowly perform push-ups. Lie on stomach over ball. Slowly raise alternate arms over head. Slowly raise alternate legs 2 to 4 inches off of floor. Combine 1 and 2, alternating opposite arms and legs. Bend one knee. Slowly lift this leg up, alternating right and left legs.