Wall Sit with Leg Lift With back against a wall, stand with feet hip-width apart so that heels are about 2 feet from wall. Bend knees and slide down wall until thighs are parallel to floor. Lift left foot and straighten left leg so that it's parallel to floor; hold for 30 seconds. Gradually build up to 60 seconds. Switch legs and repeat to complete 1 rep. Do 3 reps.