Effects of degenerated intervertebral discs on intersegmental rotations, intradiscal pressures, and facet joint forces of the whole lumbar spine

被引：138
作者：
Park, Won Man [1 ]
Kim, Kyungsoo [2 ]
Kim, Yoon Hyuk [1 ]
机构：
[1] Kyung Hee Univ, Dept Mech Engn, Yongin, Gyeonggi Do, South Korea
[2] Kyung Hee Univ, Dept Appl Math, Yongin, Gyeonggi Do, South Korea
来源：
COMPUTERS IN BIOLOGY AND MEDICINE | 2013年 / 43卷 / 09期
关键词：
Lumbar spine; Intervertebral disc; Degeneration; Biomechanics; Finite element analysis; FINITE-ELEMENT MODEL; MECHANICAL-BEHAVIOR; MOTION SEGMENT; LUMBOSACRAL SPINE; ANNULUS FIBROSUS; ADJACENT-LEVEL; STABILITY; SYSTEM;
D O I：
10.1016/j.compbiomed.2013.06.011
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The effects of intervertebral disc (IVD) degeneration on biomechanics of the lumbar spine were analyzed. Finite element models of the lumbar spine with various degrees of IVD degeneration at the L4-L5 functional spinal unit (FSU) were developed and validated. With progression of degeneration, intersegmental rotation at the degenerated FSU decreased in flexion-extension and left-right lateral bending, intradiscal pressure at the adjacent FSUs increased in flexion and lateral bending, and facet joint forces at the degenerated FSU increased in lateral bending and axial rotation. These results could provide fundamental information for understanding the mechanism of injuries caused by IVD degeneration. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1234 / 1240
页数：7
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