Tonic finite element model of the lower limb

Journal of Biomechanical Engineering
Michel BehrC Brunet

Abstract

It is widely admitted that muscle bracing influences the result of an impact, facilitating fractures by enhancing load transmission and reducing energy dissipation. However, human numerical models used to identify injury mechanisms involved in car crashes hardly take into account this particular mechanical behavior of muscles. In this context, in this work we aim to develop a numerical model, including muscle architecture and bracing capability, focusing on lower limbs. The three-dimensional (3-D) geometry of the musculoskeletal system was extracted from MRI images, where muscular heads were separated into individual entities. Muscle mechanical behavior is based on a phenomenological approach, and depends on a reduced number of input parameters, i.e., the muscle optimal length and its corresponding maximal force. In terms of geometry, muscles are modeled with 3-D viscoelastic solids, guided in the direction of fibers with a set of contractile springs. Validation was first achieved on an isolated bundle and then by comparing emergency braking forces resulting from both numerical simulations and experimental tests on volunteers. Frontal impact simulation showed that the inclusion of muscle bracing in modeling dynamic impact situa...Continue Reading

References

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Sep 10, 2003·Computer Methods in Biomechanics and Biomedical Engineering·M BehrC Brunet
Jul 16, 2005·Traffic Injury Prevention·B R SmithA I King

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Citations

Jul 23, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Laure-Lise GrasSébastien Laporte
Jun 24, 2008·Computer Methods in Biomechanics and Biomedical Engineering·E JolivetW Skalli
Feb 5, 2011·Computer Methods in Biomechanics and Biomedical Engineering·Jonas ÖsthRiender Happee
May 25, 2011·Computer Methods in Biomechanics and Biomedical Engineering·Laure-Lise GrasSébastien Laporte
Jul 14, 2009·Traffic Injury Prevention·Jason R KerriganBing Deng
Apr 26, 2016·Computer Methods in Biomechanics and Biomedical Engineering·Dorian SalinMichel Behr
Oct 18, 2014·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Laure-Lise GrasDavid Mitton
Oct 19, 2017·Annals of Biomedical Engineering·Fuhao MoXianping Du
Jul 31, 2013·Journal of Biomechanical Engineering·Jaeho Shin, Costin D Untaroiu
Nov 28, 2012·Annals of Biomedical Engineering·Costin D UntaroiuJaeho Shin
Nov 3, 2017·The Journal of the Acoustical Society of America·Huseyin Enes Salman, Yigit Yazicioglu

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