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Mechanical properties of the passive myocardium: experiment and a mathematical model

Smoliuk, L.T.; Protsenko, I.L.

Biofizika 55(5): 905-909

2010

ISSN/ISBN: 0006-3029
PMID: 21033360
Document Number: 642788
A three-dimensional mathematical model of the rheological properties of a morphofunctional unit of the myocardium has been constructed, which consists of transversal and longitudinal elastic elements and tilted viscoelastic elements hinged without friction. The parameters of the viscosity and elasticity of structural elements of the model do not depend on the deformation value. The model makes it possible to adequately describe the features of the viscoelastic behavior of isolated samples of the passive myocardium and of the myocardium under longitudinal strain. A good agreement between the calculated and experimental data for an intact preparation of the rat myocardium and a preparation with removed cardiomyocytes has been shown.

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