Cited by 1,142Bone health and osteoporosis researchElasticity and Material ModelingBone fractures and treatments

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Comparison of the elastic and yield properties of human femoral trabecular and cortical bone tissue

Abstract

The ability to determine trabecular bone tissue elastic and failure properties has biological and clinical importance. To date, trabecular tissue yield strains remain unknown due to experimental difficulties, and elastic moduli studies have reported controversial results. We hypothesized that the elastic and tensile and compressive yield properties of trabecular tissue are similar to those of cortical tissue. Effective tissue modulus and yield strains were calibrated for cadaveric human femoral neck specimens taken from 11 donors, using a combination of apparent-level mechanical testing and specimen-specific, high-resolution, nonlinear finite element modeling. The trabecular tissue properties were then compared to measured elastic modulus and tensile yield strain of human femoral diaphyseal cortical bone specimens obtained from a similar cohort of 34 donors. Cortical tissue properties were obtained by statistically eliminating the effects of vascular porosity. Results indicated that mean elastic modulus was 10% lower (p<0.05) for the trabecular tissue (18.0+/-2.8 GPa) than for the cortical tissue (19.9+/-1.8 GPa), and the 0.2% offset tensile yield strain was 15% lower for the trabecular tissue (0.62+/-0.04% vs. 0.73+/-0.05%, p<0.001). The tensile-compressive yield strength asymmetry for the trabecular tissue, 0.62 on average, was similar to values reported in the literature for cortical bone. We conclude that while the elastic modulus and yield strains for trabecular tissue are just slightly lower than those of cortical tissue, because of the cumulative effect of these differences, tissue strength is about 25% greater for cortical bone.

Overview

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Crossref · 10.1016/s0021-9290(03)00257-4

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Metadata

Authors
Bayraktar, H. H., Morgan, E. F., Niebur, G. L., Morris, G. E., Wong, E. K., & Keaveny, T. M.
Affiliations
  • University of California, Berkeley (US)
  • University of Notre Dame (US)
Corresponding author
Bayraktar, Harun H.
Venue
Journal of Biomechanics
Publisher
Elsevier BV
Published
2004-01
Volume
37
Issue
1
Pages
27-35
ISSN
0021-9290 (ISSN-L)
OpenAlex
W2089968363
Cited by
1,142
References
36
Citations by year
2026: 60 · 2025: 62 · 2024: 68 · 2023: 51 · 2022: 55 · 2021: 74 · 2020: 90 · 2019: 75 · 2018: 67 · 2017: 56 · 2016: 68 · 2015: 59 · 2014: 62 · 2013: 50 · 2012: 49
FWCI
13.37
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Biomechanics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • University of California, San Francisco
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR-43784, R01AR043784, AR41481)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Physical Sciences › Engineering › Biomedical Engineering › Elasticity and Material Modeling
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone fractures and treatments
Keywords
trabecular bone, cortical bone, femoral neck, elastic modulus, yield strain, tensile yield strength, compressive yield strength, finite element analysis
MeSH terms
Aged, Aged, 80 and over, Cadaver, Computer Simulation, Elasticity, Femur Head, Humans, Male, Middle Aged, Models, Biological, Sensitivity and Specificity, Statistics as Topic, Stress, Mechanical, Tensile Strength, Reproducibility of Results, Weight-Bearing, Compressive Strength, In Vitro Techniques

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