Abstract
A Probabilistic Fracture Assessment of Vertebral Cortical Bone
Highlights
The cervical spine is a complex section of the spinal column
This research develops a probabilistic assessment method for determining the presence of cracks of sufficient length to exceed the critical fracture toughness of bone. This technique is needed because the porous structure of bone causes stress concentrations that initiate failure before bone reaches its yield stress
This is important because bone failure cannot be characterized by yield mechanics of gross material properties alone
Summary
The cervical spine is a complex section of the spinal column. It has several components that work together to provide humans with a large range of motion [1,2,3,4,5,6,7,8] in the neck and protects the spinal cord. The objective of this research is to expand fracture toughness considerations in cortical bone. Inherent challenges with these types of studies involve varying structures of the cortical bone and the interfacial regions between cortical and the trabecular structure. Several features create voids in cortical bone including Haversian canals, Volkmann’s canals canaliculai and randomly distributed pores
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