This is mainly caused by your usual living habits, which can be improved through exercise. Insist on standing every day, push your legs together, move closer, lift your hips and abdomen. At the same time, bind the calf with cloth or wide elastic band for half an hour every day.

Second; Walking means putting your legs away and keeping your thumb in a straight line.

Third; Pay attention to sitting posture; You should sit deep, chest out and abdomen in, legs together and lean to one side.