Abstract
Though allometry formula (y=bxα) is not influenced directly by the age, character of the age group sampled is predicted to be reflected on allometry coefficient. So the age changes of the allometry coefficient of body weight, chest girth and sitting height against stature were analyzed on the both sexes from 6 to 14 year-old. As allometry coefficients in each age were various even within the same stature class and show directional changes with ages, age definition should be required especially in the group of 12-14 yearold, because of marked variation of the coefficients in this period.
