In the park, you may see such a scene as the above picture: It’s very common, isn’t it? Sometimes you will see that after playing like this, the child’s expression changes from laughter to crying for a moment, and his parents are not allowed to touch his hand. What’s going on here? This is [playing off]. Did you take it off? Where did you take it off? In fact, the so-called “playing off” means that the child has subluxation of the radial head. What manifestations do children have and should be on guard against subluxation of radial head? When a child’s hand or upper limb is suddenly pulled, The radial head will be pulled away from its original position, and Read More …