In 1922 there appeared an unobtrusive little volume called "Body Mechanics in Health and Disease." It contained only 112 pages and 31 illustrations, sold for $1.25 and was written by L. C. Thomas and J. E. Goldthwait, of Boston. It was designed primarily for directors of physical education in schools and gave common sense advice in regard to the better development of posture and correct body mechanics in children.
Apparently this booklet made no lasting impression. It soon passed into a state of innocuous desuetude, which lasted for twelve years.
In 1934 the book came to life again. It was now called "Body Mechanics in the Study and Treatment of Disease." It had grown considerably in size and was announced as the first edition of a new book rather than as the second edition of an old one. Its authors were Drs. J. E. Goldthwait, L. T. Brown, L. T.