Abstract
The purposes of this study were to clarify the relationships between the experiences in physical activity and the morphological growth, the functional and the personality development. The materials used were the data of 374 excellent athletes on the third grade (17th year) of senior high school boys in Kyushu District. Test and measurement were administered during October through December in 1970. Following results were obtained. 1. The athletes who started their physical exercises at the ages of 8〜11 and had continued their experiences for 7〜10 years showed superior growth and development in a) body weight, chest circumference, forearm circumference, calf circumference, chest depth, etc., and b) grip strength and back strength to those who started around 14 and had continued for about 4 years. 2. However, the former was inferior in the development of 50m. dash, 1,500m endurance run, running broad jump, and side step test to the latter. 3. In the personality test (the Yatabe-Guilford Personality Test), the former showed greater depression and inferiority feeling, lesser ascendency, and social introversion.
