Lie on your back with your knees bent and feet flat on the floor.
Press your feet against the floor and raise your hips.
Then in a controlled manner lift one foot and straighten the knee.
This is your starting position.
Keep one knee straight and let your hips lower towards the floor without touching it.
Then in a controlled manner return to the starting position.
Keep your pelvis level throughout the exercise.
If required you can place your arms on the floor for support.
