The effect of tension in prolonging the active state in a twitch
- 17 March 1964
- journal article
- research article
- Published by The Royal Society in Proceedings of the Royal Society of London. B. Biological Sciences
- Vol. 159 (977) , 589-595
- https://doi.org/10.1098/rspb.1964.0021
Abstract
During an isometric twitch the heat production continues as long as the tension does. But if the tension, when near its peak, is suddenly reduced to zero by a short quick release the heat production stops. The energy liberated is then 15 to 20% less than in the isometric contraction. It seems as though a kind of weak positive feed-back occurs, tension prolonging activity and activity prolonging tension with the liberation of extra energy.Keywords
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