Influence of mineralization and microporosity on tissue elasticity:​ experimental and numerical investigation on mineralized turkey leg tendons

Spiesz, Ewa M.; Roschger, Paul; Zysset, Philippe K.

Affiliations

¹Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology, Vienna, Austria

²Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, 1st Medical Department, Hanusch Hospital, Vienna, Austria

Abstract and keywords

A combined experimental and numerical study correlating indentation stiffness with mineralization and microporosity was performed on mineralized turkey leg tendon. Two distinct tissue morphologies were distinguished by quantitative backscattered electron imaging and called “circumferential” and “interstitial” zones. These two zones showed different tissue organization, microporosity, and mineralization. Stiffness, measured by microindentation, was also different in the two zones. The mean field method of modeling of mineralized collagen fibers was employed to explain the differences.

Keywords: Elasticity; Indentation; Mean field theory; Microporosity; Mineralization; Mineralized turkey leg tendon

Links

DOI: 10.1007/s00223-012-9578-5

PubMed: 22395487

WoS: 000301795000008

History

Received: 2011-04-20

Accepted: 2012-01-05

Online: 2012-03-07

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Cited By (2)

Year	Entry
2012	Spiesz EM, Roschger P, Zysset PK. Elastic anisotropy of uniaxial mineralized collagen fibers measured using two-directional indentation: effects of hydration state and indentation depth. J Mech Behav Biomed Mater. August 2012;12:20-28.
2019	Groetsch A. Micro- and Nanomechanics of Mineralised Collagen Fibre Elasto-Plasticity [PhD thesis]. Ebinburgh, Scotland: Heriot-Watt University; November 2019.