[Trend of bone development of adolescent at 14 years old].

Objective: To describe characteristic of hand-wrist bone development in adolescents of 14 years old in China, and to estimate trend of bone development of them.

Methods: A total of 109 adolescents of 14 years was selected as subjects (males: 53, females: 56). X-rays examination of their left hand-wrist bone were performed and analyzed.