Bone mechanical properties and changes with osteoporosis
نویسندگان
چکیده
منابع مشابه
The mechanical properties of bone in osteoporosis.
Specimens of femoral cortical bone from normal subjects and from patients with osteoporosis were mechanically tested in tension to destruction. The osteoporotic bone showed less strength and less stiffness than the normal bone; these reductions are related to the increased cavity area in osteoporosis. Further, the osteoporotic bone is not able to absorb as much energy before fracture as the nor...
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چکیده: در این تحقیق، برخی خواص فیزیکی و مکانیکی لوبیا قرمز به-صورت تابعی از محتوی رطوبت بررسی شد. نتایج نشان داد که رطوبت بر خواص فیزیکی لوبیا قرمز شامل طول، عرض، ضخامت، قطر متوسط هندسی، قطر متوسط حسابی، سطح تصویر شده، حجم، چگالی توده، تخلخل، وزن هزار دانه و زاویه ی استقرار استاتیکی در سطح احتمال 1 درصد اثر معنی داری دارد. به طوری که با افزایش رطوبت از 54/7 به 12 درصد بر پایه خشک طول، عرض، ضخام...
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INTRODUCTION: Age-related and osteoporotic bone fractures are a major concern in the health care of elderly. In the past, large amount of studies have investigated age-related changes in the bulk tissue properties of bone.[1-3] Nonetheless, it is necessary to examine the the localized material properties in individual osteons and interstitial bone tissues to understand the age-related changes i...
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2 Department of Anatomy and Highway Safety Research Institute, The University of Michigan, Ann Arbor, Mich. 48104. BONE is the material with which the orthopaedic surgeon deals. Consequently, some knowledge of its mechanical properties is of importance for an understanding of the mechanism and management of fractures, as well as the design of prosthetic or orthotic appliances and protective gea...
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Linear and depressed skull fractures are frequent mechanisms of head injury and are often associated with traumatic brain injury. Accurate knowledge of the fracture of cranial bone can provide insight into the prevention of skull fracture injuries. A set of cranial bone specimens were extracted from 8 crania and, after !CT imaging, the specimens were tested in a three-point bend set-up at dynam...
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ژورنال
عنوان ژورنال: Injury
سال: 2016
ISSN: 0020-1383
DOI: 10.1016/s0020-1383(16)47003-8