关键词: 皮褶厚度;体脂;学生;达斡尔族

Abstract: A sample o f 1759 Daur primary and middle school students including 872 boys and 887 girls was investigated on the development o f triceps, subscapular, suprailiac and calf skin- fold thicknesses and body fa t (% ) in the Molidawa Autonomous Banner of Inner Mongolia. Th e results a re as follow s: With age 's increase, the torso skinfolds of boys grew thick and the limb ones grew thin while all the 4 skinfolds o f girls became thick during puberty. After age o f 12, skinfolds o f girls w ere very significantly thicker than those of boy s ( p < 0. 01). The body fat (% ) of boy s gradually declined in the early puberty and that o f girls sharply increased from 12 through 14 yea rs old. On the w hole, Daur students showed on fattiness.

Key words: Skinfold thickness, Body fat, Student, Daur nationality