Document Detail

On the elasticity of transverse isotropic soft tissues (L).
MedLine Citation:
PMID:  21568379     Owner:  NLM     Status:  Publisher    
Quantitative elastography techniques have recently been developed to estimate the shear modulus μ of soft tissues in vivo. In the case of isotropic and quasi-incompressible media, the Young's modulus E is close to 3μ, which is not true in transverse anisotropic tissues such as muscles. In this letter, the transverse isotropic model established for hexagonal crystals is revisited in the case of soft solids. Relationships between elastic constants and Young's moduli are derived and validated on experimental data found in the literature. It is shown that 3μ(⊥)≤E(⊥)≤4μ(⊥) and that E(∕∕) cannot only be determined from the measurements of μ(∕∕) and μ(⊥).
Daniel Royer; Jean-Luc Gennisson; Thomas Deffieux; Mickaël Tanter
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Publication Detail:
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  129     ISSN:  1520-8524     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  -    
Other Details:
Languages:  ENG     Pagination:  2757     Citation Subset:  -    
Institut Langevin - Ondes et Images, ESPCI ParisTech - CNRS UMR 7587 - INSERM U979 - Université Paris 7, 10, rue Vauquelin, 75231 Paris Cedex 05, France.
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