61431 20200729203741.0 doi 10.1016/j.jmbbm.2016.04.013 sideral 94647 ART-2016-94647 eng (orcid)0000-0002-6870-0594 Grasa, J. Universidad de Zaragoza Active behavior of abdominal wall muscles: Experimental results and numerical model formulation 2016 Access copy available to the general public Unrestricted In the present study a computational finite element technique is proposed to simulate the mechanical response of muscles in the abdominal wall. This technique considers the active behavior of the tissue taking into account both collagen and muscle fiber directions. In an attempt to obtain the computational response as close as possible to real muscles, the parameters needed to adjust the mathematical formulation were determined from in vitro experimental tests. Experiments were conducted on male New Zealand White rabbits (2047. ±. 34. g) and the active properties of three different muscles: Rectus Abdominis, External Oblique and multi-layered samples formed by three muscles (External Oblique, Internal Oblique, and Transversus Abdominis) were characterized. The parameters obtained for each muscle were incorporated into a finite strain formulation to simulate active behavior of muscles incorporating the anisotropy of the tissue. The results show the potential of the model to predict the anisotropic behavior of the tissue associated to fibers and how this influences on the strain, stress and generated force during an isometric contraction. info:eu-repo/grantAgreement/ES/UZ/JIUZ-2014-BIO-05 info:eu-repo/grantAgreement/ES/MINECO/DPI2014-54981-R info:eu-repo/grantAgreement/ES/MINECO/DPI2011-27939-C02-01 info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 3.11 2016 MATERIALS SCIENCE, BIOMATERIALS 16 / 33 = 0.485 2016 Q2 T2 ENGINEERING, BIOMEDICAL 20 / 77 = 0.26 2016 Q2 T1 0.917 2016 Biomedical Engineering 2016 Q1 Mechanics of Materials 2016 Q1 Biomaterials 2016 Q2 info:eu-repo/semantics/article info:eu-repo/semantics/submittedVersion (orcid)0000-0002-6134-8698 Sierra, M. Universidad de Zaragoza Lauzeral, N. (orcid)0000-0001-8301-6902 Muñoz, M.J. Universidad de Zaragoza (orcid)0000-0001-5981-5448 Miana-Mena, F. Universidad de Zaragoza (orcid)0000-0001-9713-1813 Calvo, B. Universidad de Zaragoza 1005 410 Universidad de Zaragoza Dpto. Farmacología y Fisiolog. Área Fisiología 1005 315 Universidad de Zaragoza Dpto. Farmacología y Fisiolog. Área Farmacología 5004 605 Universidad de Zaragoza Dpto. Ingeniería Mecánica Área Mec.Med.Cont. y Teor.Est. 61 (2016), 444-454 J. mech. behav. boomed. mater. Journal of the Mechanical Behavior of Biomedical Materials 1751-6161 21020738 http://zaguan.unizar.es/record/61431/files/texto_completo.pdf Preprint 51547 http://zaguan.unizar.es/record/61431/files/texto_completo.jpg?subformat=icon icon Preprint oai:zaguan.unizar.es:61431 articulos driver 2020-07-29-20:19:51 ARTICLE