If you are seventeen, you are still young. In general, there will be no flattening.

But many bad habits in daily life can also be caused if we don't pay attention to them.

But don't worry, stick to the following points and your flat ass problem will be solved.

1, legs apart to shoulder width, waist straight, hands flat forward, squat down.

2. Kick back. If you have a foundation, you can set it for a few seconds before changing to another one.

3, prone, hands on the ground, upper and lower back, legs up, you can tighten the legs, hips and abdominal muscles.

4, a method suitable for lazy people, rub it on the buttocks, open and elegant, and then give the buttocks a simple massage ~

Basically, these are all ways to improve hip flatness. How to do it is up to you. Come on!