Keep your back straight and sit well, "I don't know how many people's spines have been injured! What is the correct sitting posture
It is estimated that many people have had this experience when they were young, that every time they sit in a chair to do homework, they are always reminded by their parents:Sit straight and straighten your chest. If one accidentally arches their waist, their parents will scold them harshly, and many people will be beaten and scolded by adults due to this...