Reports

Activation Heat in Muscle: Method for Determination

Science  08 Jan 1965:
Vol. 147, Issue 3654, pp. 162-163
DOI: 10.1126/science.147.3654.162

Abstract

By varying the interval between two stimuli it is possible to measure the activation heat in a skeletal muscle twitch. The method depends upon finding a range of stimulus intervals where complete mechanical fusion exists and where there is a plateau in the heat production. At 0°C, and when muscles are at normal body length, activation heat represents about 40 percent of the heat in an isometric twitch.

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