Ash Content Modulation of Torsionally Derived Effective Material Properties in Cortical Mouse Bone

[+] Author and Article Information
Todd C. Battaglia

Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA 22908

An-Chi Tsou, Emerson A. Taylor, Borjana Mikic

Picker Engineering Program, Smith College, Northampton, MA 01063

J Biomech Eng 125(5), 615-619 (Oct 09, 2003) (5 pages) doi:10.1115/1.1611513 History: Received January 24, 2003; Revised May 16, 2003; Online October 09, 2003
Copyright © 2003 by ASME
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Tibial versus femoral ash contents. Twelve tibial and femoral pairs were either placed in phosphate-buffered saline or 0.5 M EDTA, pH 7.4 for 4, 12, 24, 48, 72, or 144 hours to obtain a relationship between femoral ash content and tibial ash content. This relationship was then used to convert tibial ash contents from the primary study to estimated femoral ash contents for the femora that were used for torsional testing.
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Composite torque versus twist curves for each decalcification group
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Relationship of ash content to structural properties of mouse femora: (a) maximum torque; (b) twist to failure; (c) torsional rigidity; and (d) energy to failure
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Effect of ash content on maximum effective shear stress
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Effect of ash content on effective shear modulus




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