|本期目录/Table of Contents|

[1]徐 菲.基于有限元模型对踝模拟扭伤机制的探讨[J].天津医科大学学报,2019,25(06):612-614.
 XU Fei.Discussion on mechanism of ankle sprain based on FEM model[J].Journal of Tianjin Medical University,2019,25(06):612-614.
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基于有限元模型对踝模拟扭伤机制的探讨(PDF)
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《天津医科大学学报》[ISSN:1006-8147/CN:12-1259/R]

卷:
25
期数:
2019年06期
页码:
612-614
栏目:
临床医学
出版日期:
2019-11-20

文章信息/Info

Title:
Discussion on mechanism of ankle sprain based on FEM model
文章编号:
1006-8147(2019)06-0612-03
作者:
徐 菲
(福建省莆田学院药学与医学技术学院,莆田 351100)
Author(s):
XU Fei
(School of Pharmacy and Medical Technology, Putian University, Putian 351100, China)
关键词:
有限元模型外踝扭伤纵向力横向力
Keywords:
finite element model sprained lateral ankle longitudinal force transverse force
分类号:
R684
DOI:
-
文献标志码:
A
摘要:
目的:基于有限元模型探讨踝模拟扭伤的病理机制。方法:选择1例中国成年踝关节无病变志愿者,建立正常行走中立位及踝内翻扭伤的踝足有限元模型,对比两种工况下踝关节Von Mises应力分布、距骨运动变化规律,分析横向力和纵向力对内翻扭伤的影响情况。结果:正常行走中立位时,最大Von Mises应力位于距骨外突及距骨后突;踝内翻扭伤时,距骨Von Mises应力主要集中在距舟关节、距骨颈和距骨侧突。纵向力影响下,距骨颈、内踝、外踝、距下关节等节点应力均有统计学意义,横向力影响下,8个节点均无统计学意义。结论:内翻扭伤时,踝穴大小形态决定踝关节稳定性;纵向力影响较大。扭伤后,应增加休息,减少纵向力影响,使踝关节尽快恢复,防止因养护不当造成踝关节稳定性下降、习惯性崴脚及关节炎的发生。
Abstract:
Objective: Discussion on Pathological mechanism of ankle sprain based on finite element model. Methods: One belonged to the volunteer when his ankle and feet had ankle varus sprain and the other one belonged to the volunteer when he/she was in normal walking neutral position. Compared the Von Mises stress distribution and the exercise changing of shanks in two different working condition. Analyzed the influences of the lateral and the longitudinal force on the varus sprain. Results: When walking normally, the maximum of Von Mises stress located at the talus outer process and posterior protrusion; when the ankle was sprained, talus Von Mises stress was mainly concentrated in the distance to the boat joint, talus neck and talus lateral process. Under the influence of longitudinal force, the stress of nodal points such as talus neck, internal ankle, external ankle and lower talus joint were statistically significant. Under the influence of transverse force, 8 nodes had no statistical significance. Conclusion: When ankle sprain, ankle joint stability is determined by ankle size. Longitudinal force has a greater influence than transverse force.The patients should rest more in order to reduce the impact of longitudinal force after sprain, so that the ankle joint will recover as soon as possible.The patients also should avoid the decreased ankle stability, habitual lamenness and the arthritis caused by improper maintenance.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目 福建省教育厅资助项目(JK2015043)
作者简介 徐菲(1981-),女,讲师、主治医师,硕士,研究方向:骨关节影像诊断及CT、MRI新技术;E-mail :13859808218@139.com。
更新日期/Last Update: 2020-01-20