The absolute mechanical efficiency of the contraction of an isolated muscle

CONTENTS. PAGE 1. The effects of allowing the muscle to shorten, on the degree of heat-production in the muscle twitch . . . 436 2. The mechanical potential energy developed in a muscle, when carrying out an isometric twitch . . . 447 3. A new method of estimating the heat-production of muscles, in absolute units .455 4. The relation, in absolute units, between the potential energy liberated, and the heat produced in a muscular contraction 460 Summary and conclusions .466