Pen in Hand

"The connection which I have shown in this lecture to exist between the energy of the hearts contraction and the length of the muscle fibers, enables us to understand not only the marvelous power of adaptation of the heart to the varying strains of everyday life, but also the condition of this organ in disease, when from overstrain or morbid alterations in its muscles or valves it fails to carry out its functions with efficiency." What a beautiful sentence. It was delivered by the eminent physio