What are the symptoms of subluxation of radial head in children?

First of all, it should be clear whether the child has a past medical history. Most of the injuries of the child are generally caused by traction. In the relevant tests, it will be found that the elbow of the child has no obvious skin swelling, and its limited movement is mainly manifested as the loss of such a function as sending things and taking things; In addition, X-ray examination is not required; If the child is accompanied by crying, limited movement of the affected limb and obvious traction history, it can be diagnosed as subluxation of the radial head of the child.