Cited by 439Bone health and osteoporosis researchComparative Animal Anatomy StudiesBone Metabolism and Diseases

The many adaptations of bone

Currey, J.D·2003·Journal of Biomechanics

Abstract

Studies concerned with the "adaptations" in bones usually deal with modelling taking place during the individual's lifetime. However, many adaptations are produced over evolutionary time. This survey samples some adaptations of bone that may occur over both length scales, and tries to show whether short- or long-term adaptation is important. (a) Woven and lamellar bone. Woven bone is less mechanically competent than lamellar bone but is frequently found in bones that grow quickly. (b) Stress concentrations in bone. Bone is full of cavities that potentially may act as stress concentrators. Usually these cavities are oriented to minimise their stress-concentrating effect. Furthermore, the "flow" of lamellae round the cavities will still further reduce their stress-concentrating effect, but the elastic anisotropy of bone will, contrarily, tend to enhance it in normal loading situations. (c) Stiffness versus toughness. The mineral content of bone is the main determinant of differences in mechanical properties. Different bones have different mineral contents that optimise the mix of stiffness and toughness needed. (d) Synergy of whole bone architecture and material properties. As bone material properties change during growth the architecture of the whole bone is modified concurrently, to produce an optimum mechanical behaviour of the whole bone. (e) Secondary remodelling. The formation of secondary osteones in general weakens bone. Various suggestions that have been put forward to account for secondary remodelling: enabling mineral homeostasis; removing dead bone; changing the grain of the bone; taking out microcracks. (f) The hollowness of bones. It is shown how the degree of hollowness is adapted to the life of the animal.

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Crossref · 10.1016/s0021-9290(03)00124-6

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Authors
Currey, J. D.
Affiliations
University of York (GB)
Corresponding author
Currey, J.D
Venue
Journal of Biomechanics
Publisher
Elsevier BV
Published
2003-10
Volume
36
Issue
10
Pages
1487-1495
ISSN
0021-9290 (ISSN-L)
OpenAlex
W2014397497
Cited by
439
References
50
Citations by year
2026: 9 · 2025: 6 · 2024: 13 · 2023: 17 · 2022: 17 · 2021: 32 · 2020: 20 · 2019: 28 · 2018: 27 · 2017: 16 · 2016: 20 · 2015: 18 · 2014: 27 · 2013: 24 · 2012: 20
FWCI
8.15
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Biomechanics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Health Sciences › Medicine › Urology › Comparative Animal Anatomy Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
Keywords
bone adaptation, adaptive evolution, woven bone, lamellar bone, stress concentration, bone cavities, elastic anisotropy, bone mineral content, bone structure, bone mechanical properties
MeSH terms
Adaptation, Physiological, Biomechanical Phenomena, Bone and Bones, Humans, Bone Remodeling

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