踝关节力学机制复杂，各种损伤都可能打破其力学平衡而导致踝关节不稳定，诱发创伤性关节炎。人体足踝有限元模型能够量化内部组织的受力信息，对足踝临床医学和康复医学有重要意义。本文介绍了踝关节解剖结构以及慢性失稳的发生机制，分析了足踝有限元模型及其在踝关节慢性失稳中的应用，总结了其不足、研究方向及发展趋势。%Mechanics mechanism of ankle joint is complex.All kinds of damages on it may destroy the balance so that the ankle joint may lose its stability and induce traumatic arthritis.Finite element model of ankle can quantify the stress state of ankle ’s internal organization which is important to clinical medicine and rehabilitation medicine in ankle study.This paper introduces the anatomical structure in the ankle and the mechanism of chronic instability.The paper also analyzes ankle’s finite element model and the application in the chronic ankle instability,and summarizes the shortcomings and the development trend.
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