I will try my best to supplement the questions I have not answered in time.
In the future, if a friend has any questions, he can ask them on Baidu's expert homepage, and I will try to answer them as much as possible. The address of the expert's homepage is/expert/view/%C2% de% b1%Fe% cf% E8% B4% F3% B7% F2.
I have explained a lot about low back pain in Sina Weibo. You can also pay attention to Sina Weibo @ Dr. Luo Bingxiang? Look through the posts and learn. Weibo Address: /drluohebin
Answer photos on the spot: