Step one:

Lie prone, bend your hands, support your head, and straighten your toes.

Step two:

Push your hips hard and exhale at the same time. Try to lift one foot and keep your feet straight and still 1 sec. Go back to action 1 and lift the other foot according to the same steps. Do it alternately left and right 15-20 times.

Tips: Don't twist your hips and lift your feet, because it may cause low back pain and fail to achieve the exercise effect. When lifting your legs, you should also contract your abdominal muscles. Do what you can, don't act too hastily, otherwise it will easily cause sports injuries and risk destroying your perfect figure. Therefore, you girls must be kind to yourself and don't be too reluctant when exercising.