in boys the mean increase in lengths of trunk amounted to 17.7 cm , of hand to 8.1 cm , of forearm to 12.2 cm , of upper arm to 16.1 cm , of whole arm to 36.8 cm of lower leg to 21.5 cm , of thigh to 27.3 cm , and of whole leg to 54.0 cm .
C1140621
lower
C0023216
leg