结果表明：（1）男生6—8岁各组为均衡的中胚层体型，9—12岁各组为三胚层中间型体型，13—17岁各组为中胚层-外胚层均衡型体型。
The results showed: (1) Among boys, the mean somatotypes in age groups 6—8 are balanced mesomorph, 9—12 are central, and change to meso ectomorph in age 13—17;
结果表明：（1）男生6—8岁各组为均衡的中胚层体型，9—12岁各组为三胚层中间型体型，13—17岁各组为中胚层-外胚层均衡型体型。
The results showed: (1) Among boys, the mean somatotypes in age groups 6—8 are balanced mesomorph, 9—12 are central, and change to meso ectomorph in age 13—17;
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