THE muscles of the human body act, each of them, like an electrical storage battery, or accumulator, which can bo discharged at a high rate during heavy work, but must then bo charged again. In this talk Professor Hill will describe what happens to a muscle when it is ' run down,' or ' fatigued,' and how its energy requirements and turnover can be tested and measured ; together with the light that these researches throw upon achievements in sport.
[(Picture on page 460.)