The mechanical efficiency of treadmill running against a horizontal impeding force

1. A method for determining the apparent mechanical efficiency of running against a horizontal impeding force is described. The results of studies on three well trained athletes have been summarized.

[1]  B. B. Lloyd.  The energetics of running: an analysis of world records. , 1966, Advancement of science.

[2]  G. Cavagna,et al.  MECHANICAL WORK IN RUNNING. , 1964, Journal of applied physiology.

[3]  W. O. Fenn.  FRICTIONAL AND KINETIC FACTORS IN THE WORK OF SPRINT RUNNING , 1930 .

[4]  D. Wilkie.  Thermodynamics and the interpretation of biological heat measurements. , 1960, Progress in biophysics and molecular biology.

[5]  L. Pugh.  The influence of wind resistance in running and walking and the mechanical efficiency of work against horizontal or vertical forces , 1971, The Journal of physiology.

[6]  B. Whipp,et al.  Efficiency of muscular work. , 1969, Journal of applied physiology.

[7]  Roger C. Woledge,et al.  Heat Production and chemical change in muscle , 1971 .

[8]  R. Margaria,et al.  Energy cost of running. , 1963, Journal of applied physiology.

[9]  Henry Monmouth Smith,et al.  Gaseous Exchange and Physiological Requirements for Level and Grade Walking , 2009, Nature.

[10]  G. Cavagna,et al.  Positive work done by a previously stretched muscle. , 1968, Journal of applied physiology.

[11]  E. Simonson,et al.  The energy cost of horizontal and grade walking on the motor-driven treadmill. , 1946, The American journal of physiology.

[12]  O. Bøje,et al.  Energy Production, Pulmonary Ventilatioa, and Length of Steps in Well‐trained Runners Working on a Treadmill.1 , 1944 .

[13]  L. Pugh.  Oxygen intake in track and treadmill running with observations on the effect of air resistance , 1970, The Journal of physiology.

[14]  R. M. Sargent,et al.  The relation between oxygen requirement and speed in running , 1926 .

[15]  H. Knuttgen.  Oxygen uptake and pulse rate while running with undetermined and determined stride lengths at different speeds. , 1961, Acta physiologica Scandinavica.