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通过测量弯曲刚度和骨矿物质含量预测长骨的弯曲强度。

Prediction of bending strength of long bones from measurements of bending stiffness and bone mineral content.

作者信息

Borders S, Petersen K R, Orne D

出版信息

J Biomech Eng. 1977 Feb 1;99(1):40-4. doi: 10.1115/1.3426267. Epub 2010 Oct 21.

DOI:10.1115/1.3426267
PMID:23719686
Abstract

The relationship between fracture strength in bending, bending stiffness and bone mineral content for 56 fresh canine radii, ulnae and tibiae was determined from three- and four-point bending tests on a MTS testing machine and from measurements of bone mineral content at the fracture site using the Norland-Cameron Bone Mineral Analyzer. The high correlation of bending stiffness (0.962) and mineral content (0.901) with fracture bending moment permits estimates of fracture strength using current noninvasive methods of measuring stiffness and mineral content.

摘要

通过在MTS试验机上进行三点和四点弯曲试验，以及使用Norland - Cameron骨矿物质分析仪测量骨折部位的骨矿物质含量，确定了56根新鲜犬桡骨、尺骨和胫骨的弯曲断裂强度、弯曲刚度与骨矿物质含量之间的关系。弯曲刚度（0.962）和矿物质含量（0.901）与骨折弯矩的高度相关性使得可以使用当前测量刚度和矿物质含量的非侵入性方法来估计骨折强度。

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