Assessing the Susceptibility to Local Buckling at the Femoral Neck Cortex to Age-Related Bone Loss

He Xi, B. W. Schafer, W. P. Segars, F. Eckstein, V. Kuhn, T. J. Beck, T. Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

To simulate bone adaptation, we used an engineering beam simulation of a one-legged stance and linearly thickened (young) or thinned (old) cortices until the maximum stress on the infero-medial neck surface was the same as in the middle-age version. Consequences of simulated adaptive changes on elastic buckling stability were evaluated by the FSM using loads generated in a simulated fall on the greater trochanter. We conclude that the expansion of diameter with thinning cortices can preserve femoral neck strength under normal stance mode but not necessarily under loads encountered in falls, especially if the elderly cross-section is thinned by adaptation to reduced loading.

Original languageEnglish (US)
Title of host publication13th International Conference on Biomedical Engineering - ICBME 2008
Pages1918-1919
Number of pages2
DOIs
StatePublished - Dec 1 2009
Event13th International Conference on Biomedical Engineering, ICBME 2008 - , Singapore
Duration: Dec 3 2008Dec 6 2008

Publication series

NameIFMBE Proceedings
Volume23
ISSN (Print)1680-0737

Other

Other13th International Conference on Biomedical Engineering, ICBME 2008
CountrySingapore
Period12/3/0812/6/08

Keywords

  • Aging
  • Femoral neck
  • Homeostasis
  • Local Buckling

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering

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    Xi, H., Schafer, B. W., Segars, W. P., Eckstein, F., Kuhn, V., Beck, T. J., & Lee, T. (2009). Assessing the Susceptibility to Local Buckling at the Femoral Neck Cortex to Age-Related Bone Loss. In 13th International Conference on Biomedical Engineering - ICBME 2008 (pp. 1918-1919). (IFMBE Proceedings; Vol. 23). https://doi.org/10.1007/978-3-540-92841-6_476