A Study on the Nature of Bilateral Asymmetry in Human Silhouettes : Incidence of side-differences in young adults

Asymmetry in the human silhouettes was measured according to photographs taken by the Silhouetter Type II apparatus. Subjects consisted of 58 male and 79 female Junior College students. 1) Significant side-differences were found in the following bilateral items : foot length (males), shoulder slope angle (males), and acromion-waist distance (males). 2) Significant differences in incidence of marked asymmetry were found in the following items : side waist point height (rt.>lt., males), shoulder slope angle (rt.>lt., both sexes), cervicale-acromion distance (rt.>lt., females) unilateral body weight (rt.>lt., females), acromion height (rt.