Original Research

The mechanical and physical properties of trabecular (cancellous) bone of the femur neck

D. H. van Papendorp
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 5, No 3 | a988 | DOI: https://doi.org/10.4102/satnt.v5i3.988 | © 1986 D. H. van Papendorp | This work is licensed under CC Attribution 4.0
Submitted: 18 March 1986 | Published: 18 March 1986

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D. H. van Papendorp,, South Africa

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Abstract

The stress required to reach the breaking point of trabecular bone of the femur neck of patients who obtained a femur neck fracture, was found to be 60% less than that required to reach the same result in patients with hip osteoarthritis. The compression strength of trabecular bone showed a reasonable correlation (r = 0,58) with the relative density of this bone. Analyses of the inclination of the stress-strain curves, and the determination of the elasticity modulus of trabecular bone showed that the bone of the fracture group was 30-60% more elastic than that of the osteoarthritic group. Both strength and elasticity may thus play a role in the evolution of this fracture.

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