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前脚横弧硬度对脚的生物力学反应的影响 - - 基于有限元素方法

Linjie Zhang^1,2, Qiaolin Zhang^3,4, Yilin Zhong⁵

¹Department of Radiology, Ningbo No. 2 Hospital, Ningbo, China.

Frontiers in bioengineering and biotechnology

|July 23, 2024

概括

强化深四足交叉带 (DTML) 增强了脚的纵向硬度,并减少了脚下带的应变. 这项研究为治疗足功能障碍和改善运动鞋设计以获得更好的推进提供了洞察力.

科学领域:

生物力学生物力学
整形外科整形外科整形外科
运动科学运动科学运动科学

背景情况:

脚 (横向和纵向门) 对于足部功能至关重要,包括减震和推进.
横梁对中脚的性有很大的贡献,这凸显了它的生物力学重要性.
深四足交叉带 (DTML) 在保持交叉门的完整性和刚性方面发挥着关键作用.

研究的目的:

量化改变DTML的刚度对脚足复合体的生物力学影响.
调查DTML刚度的变化如何影响脚下压力,脚下压力, navicular 沉降和脚下 Fascial 应变.

主要方法:

使用CT图像重建,创建了足复合体的3D有限元模型.
这项研究模拟了DTML (135MPa到405MPa) 的Yung模量值变化,以表示不同的刚度水平.
分析了生物机械反应,包括脚下压力,脚下压力, navicular 沉降和脚下 Fascial 应变.

主要成果:

增加的DTML刚度增加了前三个甲四肢的应力.
翻倍DTML硬度降低了14.2%的脚下压力,54.1%的船沉降和2.5%的脚延长.
较高的DTML刚度增加了33.1%的足部纵向刚度,并减少了38.5%的足部带应变.

结论:

维护DTML的完整性对于维持横梁,改善脚的刚性和增强弹性反应至关重要.
研究结果建议治疗功能障碍的治疗策略,并为运动鞋的设计提供信息,以优化推进力.
这项研究提供了对DTML在足部生物力学中的作用的定量理解.

关键词:

有限元素模型模型的有限元素模型脚硬脚硬脚硬前脚横向的门前脚横向的门甲足的压力压力是什么脚部带的紧张应变压力分布的压力分布.

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