누웠을 때의 신체중심의 이동과 가슴둘레의 감소

Abstract

Simultameous measurements of thoracic girth, headward shift of center of gravity and functional residual capacity of lung attending abrupt assumption of supine position and sustained recumbency of 30 minutes period in 8 adult male subjects were performed. The center of gravity shifted 0.41 cmeO.25% body length) headward after recumbency of 30 minutes. The thoracic girth decreased a mean value of O. 82 em. The functio nal residual capacity of lung showed a significant decrease immediately after recumbency and was followed by an insignificant decrease up to the end of 30 minutes period. The interrelation between blood volume shift to thorax, position of diaphragm. decrease in functional residual capacity and decrease in the thoracic girth was discussed.