NDLI: A Broadband Viscoelastic Spectroscopic Study of Bovine Bone: Implications for Fluid Flow

Content Provider	Springer Nature Link
Author	Buechner, P. M. Lakes, R. S. Swan, C. Brand, R. A.
Copyright Year	2001
Abstract	To explore the hypothesis that mechanical excitation-induced fluid flow and/or fluid pressure are potential mechanical transduction mechanisms in bone adaptation, a complementary experimental and analytical modeling effort has been undertaken. Experimentally, viscoelastic tanδ properties of saturated cortical bovine bone were measured in both torsion and bending, and significant tan δ values in the 100-105Hz range were observed, although the nature of the damping is not consistent with a fluid pressure hypothesis. Analytically, micromechanically based poroelasticity models were exercised to quantify energy dissipation associated with load-induced fluid flow in large scale channels. The modeling results indicate that significant damping due to fluid flow occurs only above 1 MHz frequencies. Together, the experimental and analytical results indicate that at excitation frequencies presumed to be physiological (1–100 Hz), mechanical loading of bone generates extremely small pore fluid pressures, making the hypothesized fluid-pressure transduction mechanism upon osteocytes untenable. © 2001 Biomedical Engineering Society. PAC01: 8380Lz, 8710+e, 8385Cg
Starting Page	719
Ending Page	728
Page Count	10
File Format	PDF
ISSN	00906964
Journal	Annals of Biomedical Engineering
Volume Number	29
Issue Number	8
e-ISSN	15739686
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2001-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biochemistry Mechanics Biophysics/Biomedical Physics Vibration, Dynamical Systems, Control Biomedical Engineering
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering

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