The distribution of material properties in the equine third metacarpal bone serves to enhance sagittal bending

Clifford M. Les, Susan M Stover, J. H. Keyak, K. T. Taylor, N. H. Willits

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The distribution of material properties within the equine third metacarpal bone (MC3), and its possible effect on the mechanics of the structure, was quantitatively evaluated using single-load-to-failure compressive materials testing of specimens from ten horses. Bone samples from six regions within five proximodistal levels of MC3 were milled into right cylinders and compressed at a strain rate of 0.01 s-1. Diaphyseal MC3 bone material was stiffer, stronger, deformed less to yield and failure, and absorbed more energy to yield, than metaphyseal cortical bone material. Lateral and medial MC3 cortical bone material was stiffer and deformed less to yield and failure, than dorsal and palmar material. This distribution of material properties appears to increase the structural compliance in the sagittal plane, and may serve to enhance the predictability of the strain distribution during normal locomotion, as is provided in other bones by a sagittal curvature.

Original languageEnglish (US)
Pages (from-to)355-361
Number of pages7
JournalJournal of Biomechanics
Volume30
Issue number4
DOIs
StatePublished - Apr 1997

Fingerprint

Metacarpal Bones
Horses
Materials properties
Bone
Bone and Bones
Materials Testing
Normal Distribution
Locomotion
Mechanics
Compliance
Materials testing
Normal distribution
Strain rate
Cortical Bone

Keywords

  • Anatomic variation
  • Bone
  • Equine
  • Mechanical testing
  • Metacarpus

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

The distribution of material properties in the equine third metacarpal bone serves to enhance sagittal bending. / Les, Clifford M.; Stover, Susan M; Keyak, J. H.; Taylor, K. T.; Willits, N. H.

In: Journal of Biomechanics, Vol. 30, No. 4, 04.1997, p. 355-361.

Research output: Contribution to journalArticle

Les, Clifford M. ; Stover, Susan M ; Keyak, J. H. ; Taylor, K. T. ; Willits, N. H. / The distribution of material properties in the equine third metacarpal bone serves to enhance sagittal bending. In: Journal of Biomechanics. 1997 ; Vol. 30, No. 4. pp. 355-361.
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