A Longitudinal Study on the Relationship Between Experiences in Physical Activities and Growth and Development

Tokunaga Mikio

doi:10.15017/357

The purpose of this study is to clarify the relationship between the experiences in physical activities, and the morphological growth, the functional development and the personality change with the longitudinal date which were measured in 1971-1976. The same boys and girls were measured in the following items once a year for six years (from 9 to 14 years old) successively ; (1) standing height, body weight, chest circumference, lower limb length, calf circumference and upper arm circumference in morphological growth, (2) grip strength, standing long jump, side step test, standing trunk flexion and vital capacity in functional development, (3) Yatabe-Guilford personolity test. These longitudinal date were used to analize the change of the morphological growth, the functional development and the personality. Then, the followings were induced : 1. Significant effects of experiences in sport clubs were not recognized in boys from 9 to 14 years in the morphological growth and the functional development. 2. Experiences in sport clubs in girls influenced positively on the growth of body weight, chest circumference, calf circumference and the development of grip strength, standing long jump and vital capacity. On the contrast, they influenced negatively on the development of standing trunk flexion and side step. 3. The experiences of sport clubs appeared to result in the increase of thinking extravertion and inferiority feeling, and the significant decrease of general activity and ascendance. The significant increase of depression, cyclic tendency, nervousness, lack of objectivity, rhathymia and social extraversion were observed as well in girls.

A Longitudinal Study on the Relationship Between Experiences in Physical Activities and Growth and Development

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