131 Interpretation of Data. The 4 value for Group 1 reflect good muscular development and leanness based ona comparison with the d values of a Reference (Military Men)* and other groups. The 4 values for Group 1V reflect loss of lean tissue and fattening that accosrpanies the aging process. The 4 values of Group 11 are somewhat puzzling. This group does not have the muscular development, for example, of the older age Group 111, despite the increased weight of this group. each group except Group 1, is small, however. 30 wen in each group. The mmnber of individuals in There should be at least Nevertheless, there is no question about the excellent muscular development of Group 1. The relatively small ankles compared with Reference Man* may be a physical characteristic of the males of this race. ee ee Ee ee * Reference (Military Man) Age group 20 - 2h years. (68.5 inches ). Sum of 11 Circumferences = 600 F = 3.078 Height 17.40 decimeters Sum Ll Circum./P — eee ete Weight 70.0 = 194.9 d Values for Reference Man Shoulder (36.00), Biceps (10.32), Forearm (8.72), Wrist (5.62), Chest (29.5%), Abdomen Avg. (25.49), Buttocks (30.36), Thigh (17.80), Knee (11.90), Calf (11.64), Ankle (7.31) kg.