Body mechanics in health and disease /
Goldthwait, Joel E.(Joel Ernest),1866-author.
Brown, Lloyd T.(Lloyd Thornton),1880-author.
Swaim, Loring T.,1882-1964,author.
Kuhns, John G.(John Grove),1896-author.
Includes index.
Orthopedics.
Posture.
Chronic diseases.