1. Sit on the floor with your right leg straight in front of you. Bend your left knee and put your left foot flat on the floor.
2. Place a rolled-up towel under your right thigh, just above your knee. Relax your leg.
3. Straighten your right leg, lifting your foot off the floor. Hold for 5 seconds. Then relax.
4. Repeat the lifting motion 10 times.
5. Switch legs and then repeat.

Use ankle weights for a tougher workout. Ask your health care provider what size ankle weights to use.