Material properties of cancellous bone in repetitive axial loading

被引：26

作者：

Linde, F. ^{[1
]}

Hvid, I. ^{[1
]}

Jensen, N.C. ^{[1
]}

机构：

[1] Biomechanics Laboratory, Orthopaedic Hospital, University of Arhus, Arhus, Denmark

来源：

Engineering in Medicine | 1985年 / 14卷 / 04期

关键词：

BIOMEDICAL ENGINEERING - Cadaveric Experiments - ELASTICITY - Measurements - MATERIALS TESTING - Compression Tests - SPECTROSCOPIC ANALYSIS - Mineral Determination;

D O I：

10.1243/EMED_JOUR_1985_014_042_02

中图分类号：

学科分类号：

摘要：

Machined cancellous bone specimens from human cadaver knees were tested under repetitive non-destructive axial compression. Loads were applied up to 50 per cent of the ultimate strength of the specimens prediced from their mineral content measured by photon absorption technique. There was a 44 per cent median increase in the modulus of elasticity from compression No. 1 to compression No. 10. Steady state was apparently reached after the fifth compression with intervals between compression cycles of not more than 2 minutes. With both methods there was a strong linear correlation between the ultimate strength and the modulus of elasticity. The correlation coefficient was r equals 0. 95 (p less than 0. 005) and r equals 0. 99 (p less than 0. 001), respectively.

引用

页码：173 / 177