Excerpt from On the Source of Muscular Power: Arguments and Conclusions Drawn From Observations Upon the Human Subjects, Under Rest of Rest and of Muscular Exercise A logical method of inquiry to apply to this question is to disturb the natural balance between ordinary muscular work and the quantity of food, bv increasing the work; then to calculate the ih come and outgo of matter and to ascertain, if pos sible, what is consumed in the production of force over and above that which can be accounted for by the food taken, assuming that this food is used either in repairing the muscular tissue consumed in the work or in the direct production of the work itself. If it can be shown by such a method of inquiry that excessive and prolonged muscular work consumes a certain amount of muscular tissue, it then becomes a question whether such work involve processes of destruction and nutrition of muscular substance, differing in kind as well as in degree from those which take place in ordinary muscular effort. But I shall not attempt here to prejudge any of the questions that will be involved in the discussion of the facts that I have at my command. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.