Sidney Licht, Music in Medicine (1946)
“ The prolonged rest, necessitated by diseases of bones and joints, permits muscles to become weakened or atrophied, and also permits joints to lose some of their range of motion. When the course of disease has reached that point where rest is no longer required, the chief aim of medical treatment is to restore former function. This means the restoration of power and mobility. This is accomplished by means of physical and occupational therapy. Physical therapy includes the use of heat, massage and guided exercise. ”
