Though the ankle part is small, it burdens great force, so the ankle fracture is one of the common fractures. The treatment for medial malleolus of human body lacks of recognized standards, medial malleolus fracture operation largely depends on experience, which brings risks like traumatic arthritis. Through the experimental measurement of human ankle angle and its related statistics, this paper effectively guides the design and operation of ankle fracture orientation guide, be of important clinical significance.%踝部面积小而受力较大，所以踝部骨折是常见的骨折之一。人体内踝缺乏公认的标准，内踝骨折手术在很大程度上是凭经验进行，从而带来了创伤性关节炎等风险。本文通过实验测量人体内踝角及其相关的数值，从而有效指导内踝骨折手术及定位导向器的设计，具有重要的临床意义。
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