抄録
The problem of physical ability, through the unfortunate situation during and after the war, can now be considered from a new and more progressive point of view. This concerns the dynamic relation of physical abilityphysical structure, physical power and motor performance, which interrelatedly effect each other and must be studied through a consideration of man in relation to culture. Such a point of view means that this study is conncted with a wide range of problems having to do with birth, growth, heredity and environment, education, society, phenomena of senility, death, etc. Using children and youths of primary and junior high schools as materials, the author, to date, has already investigated and discussed problems of growth and development of physical ability and of the relationship of physical ability to education and social environment in a series of the reports under the individual titles in this Journal.
