Document Detail

Growth-related changes in the mechanical properties of collagen fascicles from rabbit patellar tendons.
MedLine Citation:
PMID:  14967886     Owner:  NLM     Status:  MEDLINE    
Growth-related changes in the mechanical properties of collagen fascicles (approximately 300 microm in diameter) were studied using patellar tendons obtained from skeletally immature 1 and 2 months old and matured 6 months old rabbits. Tensile properties were determined using a specially designed micro-tensile tester. In each age group, there were no significant differences in the properties among cross-sectional locations in the tendon. Tangent modulus and tensile strength significantly increased with age; the rates of their increases between 1 and 2 months were higher than those between 2 and 6 months. The tangent modulus and tensile strength were positively correlated with the body weight of animals. However, growth-related changes in the mechanical properties were different between collagen fascicles and bulk patellar tendons, which may be attributable to such non-collagenous components as ground substances and also to mechanical interactions between collagen fascicles.
Ei Yamamoto; Wataru Iwanaga; Noritaka Yamamoto; Kozaburo Hayashi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Biorheology     Volume:  41     ISSN:  0006-355X     ISO Abbreviation:  Biorheology     Publication Date:  2004  
Date Detail:
Created Date:  2004-02-17     Completed Date:  2004-06-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372526     Medline TA:  Biorheology     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1-11     Citation Subset:  IM    
Biomechanics Laboratory, Department of Mechanical Engineering and Biomimetics, School of Biology-Oriented Science and Technology, Kinki University, Naga, Wakayama 649-6493, Japan.
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MeSH Terms
Aging / physiology
Collagen / physiology*,  ultrastructure
Tendons / growth & development*,  ultrastructure
Tensile Strength
Reg. No./Substance:

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