Capillary muscle

Caroline Cohen 1, 2 Timothée Mouterde 1, 2 David Quéré 1, 2 Christophe Clanet 1, 2
1 PMMH - Physique et mécanique des milieux hétérogenes
2 LadHyX - Laboratoire d'hydrodynamique
Abstract : The contraction of a muscle generates a force that decreases when increasing the contraction velocity. This “hyperbolic” force–velocity relationship has been known since the seminal work of A. V. Hill in 1938 [Hill AV (1938) Proc R Soc Lond B Biol Sci 126(843):136–195]. Hill’s heuristic equation is still used, and the sliding-filament theory for the sarcomere [Huxley H, Hanson J (1954) Nature 173(4412):973–976; Huxley AF, Niedergerke R (1954) Nature 173(4412):971–973] suggested how its different parameters can be related to the molecular origin of the force generator [Huxley AF (1957) Prog Biophys Biophys Chem 7:255–318; Deshcherevskiĭ VI (1968) Biofizika 13(5):928–935]. Here, we develop a capillary analog of the sarcomere obeying Hill’s equation and discuss its analogy with muscles.
Keywords : muscle contraction capillary analog force–velocity relation sliding filament actomyosin cycle
Type de document :
Article dans une revue
Proceedings of the National Academy of Sciences of the United States of America , National Academy of Sciences, 2015, 112 (20), pp.6301-6306. 〈10.1073/pnas.1419315112〉
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Soumis le : mercredi 22 juillet 2015 - 21:57:31
Dernière modification le : jeudi 7 février 2019 - 14:29:33

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Caroline Cohen, Timothée Mouterde, David Quéré, Christophe Clanet. Capillary muscle. Proceedings of the National Academy of Sciences of the United States of America , National Academy of Sciences, 2015, 112 (20), pp.6301-6306. 〈10.1073/pnas.1419315112〉. 〈hal-01179572〉

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