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Viscoelastic properties of relaxed papillary muscle under physiological hypertrophy

  • Complex Systems Biophysics
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Abstract

Viscoelastic properties of relaxed rat papillary muscles in physiological hypertrophy (intensive swimming for 5 weeks) have been obtained. It has been ascertained that viscoelastic properties of hypertrophied muscles are not significantly distinguished from those of control papillary muscles. A three-dimensional model of myocardial fascicle has been verified in compliance with experimental data of biomechanical tests of hypertrophied muscles. Elastic and viscous parameters of structural elements of the model negligibly differ from the parameters of the model of a control muscle. It is shown that physiological hypertrophy has a slight influence on viscoelastic properties of papillary muscles.

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Authors and Affiliations

  1. Institute of Immunology and Physiology, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620049, Russia

    L. T. Smolyuk, R. V. Lisin, D. A. Kuznetsov & Yu. L. Protsenko

Authors
  1. L. T. Smolyuk
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  2. R. V. Lisin
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  3. D. A. Kuznetsov
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  4. Yu. L. Protsenko
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Corresponding author

Correspondence to L. T. Smolyuk.

Additional information

Original Russian Text © L.T. Smolyuk, R.V. Lisin, D.A. Kuznetsov, Yu.L. Protsenko, 2012, published in Biofizika, 2012, Vol. 57, No. 4, pp. 690–695.

Translation of the text provided by the authors; redaction imposed solely for comprehensibility.

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Smolyuk, L.T., Lisin, R.V., Kuznetsov, D.A. et al. Viscoelastic properties of relaxed papillary muscle under physiological hypertrophy. BIOPHYSICS 57, 525–529 (2012). https://doi.org/10.1134/S0006350912040197

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  • DOI: https://doi.org/10.1134/S0006350912040197

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