Sit on the floor, extend your legs in front of you and rest your hands on the floor behind you. Contract your pelvic floor and core while keeping your chest up.
With your right knee fully extended, raise your right leg as much as you can. Return to the starting position in a smooth movement. 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.