Stand in the shallow-end with straight back and feet shoulder-width apart. Put your hands on your hips and relax your shoulders.
Kick back one leg at a time. Keep both your legs straight all the time during this exercise. Point your toes as you kick and flex your feet as you bring your leg toward the starting position.
Kick one leg with inhale and the other with exhale.
Feel your glutes as you kick your legs
Tip: Maintain good posture throughout this exercise.