Objective: To study the growth of the hand and wrist bones of Kazak children and its rule ofdevelopment, getting scientific evidence for deciding the standard of the skeletal age of childrenand adolescent.

• 目的：了解哈萨克族儿童青少年手和腕部骨骼发育情况，探讨其发育规律，并为制定哈萨克族儿童青少年骨龄标准提供科学依据，同时也为临床医学和人类学提供资料。