Mechanical Behavior of Fetal Dura Mater Under Large Axisymmetric Inflation

[+] Author and Article Information
T. J. Kriewall

Orthopaedic Products Division, 3M Company, St. Paul, Minn. 55144

N. Akkas

Department of Civil Engineering, Middle East Technical University, Ankara, Turkey

D. I. Bylski

Bioengineering Program, University of Michigan, Ann Arbor, Mich. 48109

J. W. Melvin

Highway Safety Research Institute, University of Michigan, Ann Arbor, Mich. 48109

B. A. Work

Department of Obstetrics and Gynecology, University of Illinois, Chicago, Ill. 60612

J Biomech Eng 105(1), 71-76 (Feb 01, 1983) (6 pages) doi:10.1115/1.3138388 History: Received May 15, 1981; Revised July 01, 1982; Online June 15, 2009


The nonlinear mechanical behavior of fetal dura mater was tested experimentally and compared to two published nonlinear material strain energy functions, the Mooney-Rivlin and the Skalak, Tozeren, Zarda, and Chien (STZC). The STZC constitutive relations best fit the behavior of the dura mater and were used to describe quantitatively its stiffness. Runge-Kutta numerical procedures were used to fit the theoretical data to the experimental results. The material’s stiffness was positively correlated with fetal weight (r = 0.67, p <0.05). These results are discussed and directions for future research indicated.

Copyright © 1983 by ASME
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