Document Detail


Passive biomechanical properties of human cadaveric levator ani muscle at low strains.
MedLine Citation:
PMID:  24342498     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The objective of this study was to measure and model the passive biomechanics of cadaveric levator ani muscle in the fiber direction at low strains with a moderately slow deformation rate. Nine levator ani samples, extracted from female cadavers aged 64 to 96 years, underwent preconditioning and uniaxial biomechanical analysis on a tensile testing apparatus after the original width, thickness, and length were measured. The load extension data and measured dimensions were used to calculate stress-strain curves for each sample. The resulting stress-strain curves up to 10% strain were fit to four different constitutive models to determine which model was most appropriate for the data. A power-law model with two parameters was found to fit the data most accurately. Constitutive parameters did not correlate significantly with age in this study; this may be because all of the cadavers were postmenopausal.
Authors:
Anna S Nagle; Matthew A Barker; Steven D Kleeman; Balakrishna Haridas; T Douglas Mast
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-11-28
Journal Detail:
Title:  Journal of biomechanics     Volume:  -     ISSN:  1873-2380     ISO Abbreviation:  J Biomech     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2013-12-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0157375     Medline TA:  J Biomech     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 Published by Elsevier Ltd.
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