COMPRESSIVE MECHANICAL-PROPERTIES OF THE HUMAN ANULUS FIBROSUS AND THEIR RELATIONSHIP TO BIOCHEMICAL-COMPOSITION

被引：163

作者：

BEST, BA ^{[1
]}

GUILAK, F ^{[1
]}

SETTON, LA ^{[1
]}

ZHU, WB ^{[1
]}

SAEDNEJAD, F ^{[1
]}

RATCLIFFE, A ^{[1
]}

WEIDENBAUM, M ^{[1
]}

MOW, VC ^{[1
]}

机构：

[1] COLUMBIA UNIV,DEPT ORTHOPAED SURG,ORTHOPAED RES LAB,NEW YORK,NY 10027

来源：

SPINE | 1994年 / 19卷 / 02期

关键词：

ANULUS FIBROSUS; INTERVERTEBRAL DISC; COMPRESSIVE PROPERTIES; SWELLING PRESSURE; BIPHASIC; PROTEOGLYCAN; COLLAGEN;

D O I：

10.1097/00007632-199401001-00017

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

To enhance understanding of the biomechanical role of the intervertebral disc, the compressive properties and biochemical composition of nondegenerate samples of anulus fibrosus were determined as a function of radial position, region, and level. Because of the large swelling propensity of this tissue, a method was developed to test excised specimens while maintaining their in situ geometry and hydration. Using an analysis based on linear biphasic theory, the compressive modulus, hydraulic permeability, and isometric swelling pressure of the anulus fibrosus were determined and correlated with the tissue composition. The findings indicate that the anulus fibrosus is inhomogeneous, with regional and radial variations in both material properties and biochemical composition. The results of this study suggest that both structural and compositional factors may determine the mechanical behavior.

引用

页码：212 / 221

页数：10

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