Sit on a high chair and place your feet flat on the floor. Place your hands on either side of yout hips.
Maintaining the spine in the same position, raise your right knee as much as you can. Return to the starting position in a smooth movement. Repeat the movement for the specified amount of repetitions, then switch sides and repeat the exercise.TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form.