S. Weir Mitchell,
Fat and Blood
“ If now we ask ourselves why massage does good in cases of absolute rest, the answer—at least a partial answer—is not difficult. The secretions of the skin are stimulated by the treatment of that tissue, and it is visibly flushed, as it ought to be, from time to time, by ordinary active exercise. Under massage the flabby muscles acquire a certain firmness, which at first lasts only for a few minutes, but which after a time is more enduring and ends by becoming permanent. ”
