Abstract: ［Abstract］〖HTSS〗The occurrence and closure time of epiphysis in human body are different with bone sites. We found that when the fracture was subjected by indirect violence, the fracture rate of epiphysis is higher, the site with late epiphyseal closure is more likely to fracture than the adjacent site, and there is a certain correlation between the fracture line and epiphyseal fusion part. In this article, we made a preliminary clinical study on the relationship between important epiphyseal site and epiphyseal closure time, fracture site and fracture incidence.

Key words: epiphyses, fractures, bone, violence, dynamic deformation of bone