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Muscle as a Metamaterial Operating Near a Critical Point

Abstract : The passive mechanical response of skeletal muscles at fast time scales is dominated by long range interactions inducing cooperative behavior without breaking the detailed balance. This leads to such unusual ''material properties'' as negative equilibrium stiffness and different behavior in force and displacement controlled loading conditions. Our fitting of experimental data suggests that ''muscle material'' is finely tuned to perform close to a critical point which explains large fluctuations observed in muscles close to the stall force.
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Contributor : Matthieu Caruel <>
Submitted on : Tuesday, June 25, 2013 - 10:54:21 AM
Last modification on : Thursday, September 24, 2020 - 4:00:35 PM
Long-term archiving on: : Wednesday, April 5, 2017 - 4:17:26 AM


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Matthieu Caruel, Jean-Marc Allain, Lev Truskinovsky. Muscle as a Metamaterial Operating Near a Critical Point. Physical Review Letters, American Physical Society, 2013, 110, pp.248103. ⟨10.1103/PhysRevLett.110.248103⟩. ⟨hal-00834683v2⟩



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