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.
Place a rolled-up towel under your right thigh, just above your knee. Relax your leg.
Straighten your right leg, lifting your foot off the floor. Hold for
Repeat the lifting motion
Switch legs and then repeat.
Use ankle weights for a tougher workout. Ask your healthcare provider what size ankle weights to use.