Bone age
Bone age is a data used to describe the degree of bone development in adolescents. In the human growth period, from infants to adults, bone shape, size will change. And this change can be checked by X-ray. The data of bone age are based on the same age group, the average data of the same race children. Combined with the current height of children and bone age can predict his future height data. For most people, bone age and biological age are the same. And for some people, their bone age and biological age will be several years of gap, or young or older. Those who are older than the age of the creature usually develop early, but the time to stop growing is also early. Bone age is slightly opposite to the biological age. Those children below the average level are not necessarily younger than age. In fact, if not treated, their bone age may be longer than the actual biological age, thus hindering their growth. ...