This cannot be seen. Generally, surgery can only be performed for congenital cases. For acquired cases, many of them are postural and can be corrected by yourself. The method is as follows:
1. Lean against the wall; The wall method has been around for a long time. If the wall is straight, people will straighten up if they stick to it. Keep this straight feeling.
2. Holding the vase has something to do with balance and center of gravity. The vase will fall if your posture is crooked, so in order to prevent the vase from falling, it must be straightened.
3. K-type negative-heeled shoes. The front of the negative-heeled shoes is high and the back is low. The posture is adjusted with the center of gravity. Because the front is high, the center of gravity must go to the back. The human spine is behind the back, and the center of gravity is also Behind the back, it is naturally straight. For example, a ballerina's feet are 180°, a bit like a splayed figure. The toes of the two feet are turned outwards, forming a "one" shape. At this time, the posture becomes straight.
Negative-heeled shoes have been included in university textbooks, and correction methods have become part of medical textbooks, which is a significant technological advancement. A simulated negative-heeled shoe test: step on a two-centimeter-thick book with both feet, the forefoot on the book, and the heel on the ground