Sitting posture will lead to uneven stress on the pelvis from left to right, and the leg posture will be distorted when crossing your legs, which will lead to X-O legs for a long time. Fake hip breadth is caused by inner eight legs, pinching legs and crossing legs, and there is fat on the thighs, which can be effectively avoided through fitness changes. An important factor leading to hip breadth is the sedentary lifestyle. At present, many women sit in office chairs for a long time, especially during pregnancy. After giving birth to a child, I was still busy with my work, which led to the widening of my crotch and the gradual deformity of my figure.