Lie on your back with your knees bent and your feet flat on the floor.
Gently pull in your pelvic floor muscles and bring your lower stomach muscles up and back in towards your spine.
Try to maintain the tension as you take one knee out to the side.
Keep the movement in your hips.
Return to the start position and alternate sides.
Make sure you keep your lower back and your pelvis still.
Continue to breathe normally throughout the exercise.