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Showing 1 to 20 of 125 for “"Cortical bone"”.
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Automated Modelling of Cortical Bone from Clinical CT
… the thickness of the previously unmeasured endocortical region, and providing an improved measure of the cortical bone mineral density (cBMD) from in-vivo clinical CT scans. These features are of interest as both have been linked to fracture risk. \\ The new technique is developed within the …
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Functional adaptation to exercise in juvenile, ovine cortical bone
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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Cortical bone growth in response to local strain environment
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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Calculation of the structure-force relationship in cortical bone
Thesis. 1977. M.S.--Massachusetts Institute of Technology. Dept. of Physics.
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Degradation behaviour of the mechanical properties of bovine cortical bone
Cortical bone, is subject to extensive mechanical characterization, yet the literature reveals notable discrepancies in reported mechanical properties, in particular concerning the elastic modulus. This variability is attributed to the intricate nature of bone and the diverse experimental factors …
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QUANTIFYING RADIATION INDUCED CORTICAL BONE LOSS USING COMPUTED TOMOGRAPHY (CT) IMAGING
Bone fracture is a major complication of radiation therapy (RT). The etiology of RT-induced fractures is unclear, but likely involves bone damage and deterioration. Unfortunately, there remains a paucity of quantitative data on structural bone changes after exposure to RT. The primary goal of this …
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Characterization of Rib Cortical Bone Thickness Changes With Age and Sex
… risk in the elderly population) is the rib cortical bone.
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Morphological and mechanical analysis of the porous structure of cortical bone
Introduction: Bone is a complex hierarchical material that can be studied at many levels. For diseases like osteoporosis, characterized by bone loss, macro-level tests like DEXA scanning can predict an increased fracture risk, but cannot detect the driving mechanism.As a porous, anisotropic …
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Multiscale characterization of mechanical and fracture properties of cortical bone specimens
Bone is a hierarchical material with multiple length scales ranging from mineralized collagen fibrils at the nanoscale, single lamella at the sub microscale, lamellar structure at the microscale, osteons at the mesoscale to a whole bone at the macroscale. Several fracture testing methods are …
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Impact of Hyperglycemia on Rat Cortical Bone Microstructure and Osteoprogenitor Cell Exhaustion
… has been associated with an increased risk of bone fracture and implant failure. However, the underlying reasons have yet to be entirely understood. Our group previously reported that osteocyte number appeared increased in the peri-implant bone of hyperglycemic rats, which might increase …
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Automated platform for histological race and sex comparison of human cortical bone
Research on histological bone variation in population is in its early stages in Malaysia and limited information is available about age graded race and sex comparison. This research performed race and sex comparison of histological cortical bone parameters in the Malaysian population and presented …
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Alendronate treatment elicits a reduction in fatigue-life of canine cortical bone
Bone serves contradictory needs; bone must be strong yet light, and stiff yet flexible. At the tissue level bone material withstands cyclic loading without failing by dissipating energy via the formation and accumulation of microdamage. Proper removal of this damage in exchange for fresh tissue is …
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Effects of Estrogen Loss on the Vascular Porosity in Rat Cortical Bone
… million Americans, and is characterized by low bone mass and increased skeletal fragility (National Osteoporosis Foundation, 2011). Estrogen loss, which begins during menopause, is the leading cause of osteoporosis in women. Recent research has focused on changes in cortical bone microporosity …
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Fracture characterization of cortical bone at the micrometer and nanometer length scales
Fracture in bone is common in a wide variety of health situations, and is of particular interest to structural engineers due to the adaptability of bone tissue in response to applied stresses. Investigations into the fracture processes within bone tissue can aid in developing medical therapies to …
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Characterization of swine femoral cortical bone using the reference point indentation technique
The investigation of mechanical properties of bone, specifically fracture properties, is an important aspect of studying bone quality, and can potentially be used to predict the risk of bone fracture. In this study, a novel microindentation technique, the reference point indentation (RPI) …
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Characterization of developing porcine cortical bone: applications of mechanical and optical methods
… on the characterization of developing pig bone under the effects of age-related changes and nutritional disease using several methods of characterization. The main characterization techniques are as follows: reference point indentation (RPI), compression testing, quantitative backscattered …
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An experimental investigation into the anisotropic behaviour of bovine femoral cortical bone
… body for various applications, the behaviour of cortical bone needs to be understood. To understand and model the behaviour of cortical bone, knowledge of the strain rate dependent behaviour is required. Many authors have investigated these properties, however, the literature appears to be …
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An experimental investigation of interspecies variation in mechanical properties of cortical bone
Cortical bone has been found to display properties that vary greatly, with most previous work focused on human or bovine bone. The main aim of this research was to investigate mechanical properties of cortical bone from various species of animal (ostrich, baboon, crocodile and sheep) to allow for …
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Material Properties of Human Rib Cortical Bone from Dynamic Tension Coupon Testing
… was to develop material properties of human rib cortical bone using dynamic tension coupon testing. This study presents 117 human rib cortical bone coupon tests from six cadavers, three male and three female, ranging in age from 18 to 67 years old. The rib sections were taken from the anterior, …
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