STARTING POSITION:
Lie flat on your back with your feet flat on the floor. Your knees should be at 90º. Contract your pelvic floor and core while keeping your chest up.
MOVEMENT:
With your right knee fully extended, raise your leg around 10 cm off the floor. Perform circles with your right leg. Make sure you don't bend your knee. Repeat the movement for the specified amount of repetitions and then repeat with the other leg.
TIPS:: Make sure you don't move any other part of your body, paying special attention to your back.