66 senior high school girls were tested on their ability of sport physique and skinfold. Correlation of these data were investigated. Results were as follows :
1) The skinfolds of the member belonged sport club didn't differ from those of other students.
2) Any difference of the results of physical fitness test among the groups of 10, 20 and 30 fat/body weight percent were not showed.
3) The ability of sports observed on the 30 fat/body weight percent group was inferior than the other two groups.
From above mentioned results we were discussed on the meaning of body fat for the senior high school girls. Farther more we considered the condition of the participants were inferior than the mean result of the nations on their sports test.