Document Detail


Poroelastic properties of bovine vertebral trabecular bone.
MedLine Citation:
PMID:  11052505     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The theory of poroelasticity has been used to study bone mechanics without directly measuring poroelastic properties. In this study, we developed an experimental protocol and measured the poroelastic properties of bovine vertebral trabecular bone. Mean (+/-SD) values for drained shear modulus, drained Poisson's ratio, undrained Poisson's ratio, Skempton's coefficient, and permeability coefficient were, respectively, 90.85 (+/-59.59) MPa and 0.242 (+/-0.099), 0.399 (+/-0.083), 0.851 (+/-0.144), and 16.31 (+/-8.02) x 10(-8) m2/Pa/sec, respectively. The experimental protocol can be used generally for the measurement of poroelastic properties of bone when cylindrical specimens are available. Measured poroelastic properties can be used directly or converted to Biot's coefficient and modulus, without assuming the incompressibility of solid and fluid constituents, for the poroelastic modeling of bone.
Authors:
T H Lim; J H Hong
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of orthopaedic research : official publication of the Orthopaedic Research Society     Volume:  18     ISSN:  0736-0266     ISO Abbreviation:  J. Orthop. Res.     Publication Date:  2000 Jul 
Date Detail:
Created Date:  2000-10-27     Completed Date:  2000-11-07     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8404726     Medline TA:  J Orthop Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  671-7     Citation Subset:  IM    
Affiliation:
Department of Orthopaedic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois 60612, USA. thlim@msn.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Body Fluids / physiology
Bone Marrow / physiology
Cattle
Compressive Strength / physiology*
Elasticity
Models, Biological*
Poisson Distribution
Spine / physiology*
Weight-Bearing / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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