AXIAL ROTATION IN THE LUMBAR SPINE AND GAPING OF THE ZYGAPOPHYSEAL JOINTS

被引：18

作者：

MCFADDEN, KD

TAYLOR, JR

机构：

[1] Department of Anatomy and Cell Biology, The University of Alberta, Edmonton, AB

[2] Department of Anatomy and Human Biology, The University o f Western Australia, Nedlands, WA

来源：

SPINE | 1990年 / 15卷 / 04期

关键词：

Articular cartilage; Axial rotation; Coupled movement; Gaping; Joint capsule; Zygapophyseal joints;

D O I：

10.1097/00007632-199004000-00009

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Axial rotation and zygapophyseal joint gaping was studied using 12 human lumbar spines from individuals ranging in age from 14 to 75 years. Using weight and pulley tests and manipulative testing in a torque apparatus, the movement produced by twisting the spine was found not to be pure axial rotation, but rather movement coupled with various combinations of lateral bending and flexion or extension. This motion may not be possible in testing an individual mobile segment. The twisting movements of the spine do not normally produce gaping of the zygapophyseal joints. These joints adapt to the axial rotation by the compliance of their articular cartilages and the movement of fat pads in and out of the joint capsule. Hypermobility appears to be associated with evidence of damage to part of the mobile segment, suggesting that the hypermobility (gaping) at a joint could be due to instability caused by injury. © Lippincott-Raven Publishers.

引用

页码：295 / 299

页数：5

共 23 条

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