Posture
Subtitle: Sitting, Standing, Chair Design and Exercise
Publisher: Charles C. Thomas Publisher
Published: July 1988
Language: eng
Number of pages: 433
ISBN-13: 9780398054182
First sentence: The evolution of man's erect biped stance from a quadruped posture has been "marked by a narrowing of the base of support and a progressive elevation of the center of gravity of the body as a whole.