An investigation has been made of the source and magnitude of anisotropic material properties of cancellous bone in the proximal epiphysis of the human tibia. Results are reported for stiffness measurements made in three orthogonal directions on 21 cubes of cancellous bone before testing to failure along one of the three principal axes. The structure is approximately transversely isotropic. Strength and stiffness are linear with area fraction for loading along the isotropic axis. Strength is proportional to stiffness for all directions. A finite element model is proposed, based on experimental observations, which enables one to predict the elastic constants of cylindrically structured cancellous bone in the tibia from morphological measurements in the transverse plane.
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February 1982
Research Papers
Properties and an Anisotropic Model of Cancellous Bone From the Proximal Tibial Epiphysis
J. L. Williams,
J. L. Williams
Departments of Civil Engineering and Orthopaedic Surgery, Northwestern University, Evanston, Ill. 60201
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J. L. Lewis
J. L. Lewis
Departments of Civil Engineering and Orthopaedic Surgery, Northwestern University, Evanston, Ill. 60201
Search for other works by this author on:
J. L. Williams
Departments of Civil Engineering and Orthopaedic Surgery, Northwestern University, Evanston, Ill. 60201
J. L. Lewis
Departments of Civil Engineering and Orthopaedic Surgery, Northwestern University, Evanston, Ill. 60201
J Biomech Eng. Feb 1982, 104(1): 50-56 (7 pages)
Published Online: February 1, 1982
Article history
Received:
July 17, 1979
Revised:
September 19, 1981
Online:
June 15, 2009
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Williams, J. L., and Lewis, J. L. (February 1, 1982). "Properties and an Anisotropic Model of Cancellous Bone From the Proximal Tibial Epiphysis." ASME. J Biomech Eng. February 1982; 104(1): 50–56. https://doi.org/10.1115/1.3138303
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