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An approach on determining the displacements of the pelvic floor during voluntary contraction using numerical simulation and MRI

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Listed:
  • C.S. Saleme
  • M.P.L. Parente
  • R.M. Natal Jorge
  • M. Pinotti
  • A.L. Silva-Filho
  • T. Roza
  • T. Mascarenhas
  • João Manuel R.S. Tavares

Abstract

The present study was conducted in order to establish a methodology based on the finite element method to simulate the contraction of the pelvic floor (PF) muscles. In the generated finite element model, a downward pressure of 90 cm H2O was applied, while actively contracting the PF muscles with different degrees of muscular activation (10, 50 and 100%). The finite element methodology of the active contraction behaviour proposed in this study is adequate to simulate PF muscle contraction with different degrees of muscular activation. In this case, in particular, for an activation of 100%, the numerical model was able to displace the pubovisceral muscle in a range of values very similar to the displacement found in the magnetic resonance imaging data. In the analysed case study, it would be possible to conclude that an intensity contraction of 50% would be necessary to produce enough stiffness to avoid possible urine loss.

Suggested Citation

  • C.S. Saleme & M.P.L. Parente & R.M. Natal Jorge & M. Pinotti & A.L. Silva-Filho & T. Roza & T. Mascarenhas & João Manuel R.S. Tavares, 2011. "An approach on determining the displacements of the pelvic floor during voluntary contraction using numerical simulation and MRI," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 14(04), pages 365-370.
    • Handle: RePEc:taf:gcmbxx:v:14:y:2011:i:04:p:365-370
    DOI: 10.1080/10255842.2010.482045
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    Cited by:

    1. Fernanda Sofia Quintela da Silva Brandão & Marco Paulo Lages Parente & Paulo Alexandre Gomes Gonçalves Rocha & Maria Teresa da Quinta e Costa de Mascarenhas Saraiva & Isabel Maria Amorim Pereira Ramos, 2016. "Modeling the contraction of the pelvic floor muscles," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 19(4), pages 347-356, March.

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