Cortical and Trabecular Load Sharing in the Human Vertebral Body
نویسندگان
چکیده
منابع مشابه
Load Sharing within a Human Thoracic Vertebral Body:
The spine play very crucial role in bearing body weight. The loads acting upon a vertebra are borne by vertebral bodies and facet articulations. The vertebra has a composite structure, composed of large trabecular bone surrounded by thin cortical bone. The cortical and trabecular components share the load when the vertebra undergoes axial loading. The distribution and transmission pathway of th...
متن کاملLoad sharing within a human thoracic vertebral body: an in vitro biomechanical study.
OBJECTIVE The vertebral body is the major load bearing part of the vertebra and consists of a central trabecular core surrounded by a thin cortical shell. The aim of this in vitro biomechanical study is to determine the debated issue of load sharing in a vertebral body. METHODS A series of non-destructive compressive testing on excised human thoracic vertebral bodies were performed. The testi...
متن کاملDeterminants of Microdamage in Elderly Human Vertebral Trabecular Bone
Previous studies have shown that microdamage accumulates in bone as a result of physiological loading and occurs naturally in human trabecular bone. The purpose of this study was to determine the factors associated with pre-existing microdamage in human vertebral trabecular bone, namely age, architecture, hardness, mineral and organic matrix. Trabecular bone cores were collected from human L2 v...
متن کاملMicroarchitecture Influences Microdamage Accumulation in Human Vertebral Trabecular Bone
It has been suggested that accumulation of microdamage with age contributes to skeletal fragility. However, data on the age-related increase in microdamage and the association between microdamage and trabecular microarchitecture in human vertebral cancellous bone are limited. We quantified microdamage in cancellous bone from human lumbar (L(2)) vertebral bodies obtained from 23 donors 54-93 yr ...
متن کاملCortical and Trabecular Bone
During the normal growth and development of man and animals the bones grow in length and width and undergo progressive changes in their architecture, a process known as maturation. These normal processes are governed by numerous and complex forces but one of them, the plane of nutrition during the growing period, is of major importance. Undernourished children are small in stature and have bone...
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ژورنال
عنوان ژورنال: Journal of Bone and Mineral Research
سال: 2005
ISSN: 0884-0431
DOI: 10.1359/jbmr.2006.21.2.307