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使用肌肉骨模型来估计外骨在动态举重任务期间对脊柱负荷的影响:OpenSim和AnyBody建模系统之间的差异

Mohamad Behjati Ashtiani¹, Mohammadhossein Akhavanfar², Lingyu Li¹

¹Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA, USA.

Journal of biomechanics

|May 29, 2025

概括

职业背部支外骨架 (BSEs) 可以减少在举重任务期间的脊柱负荷. 然而,肌肉骨模型显示了不同的力量估计,强调了需要改进的人类外骨相互作用模型的需要.

科学领域:

生物力学生物力学
职业健康职业健康职业健康
机器人技术机器人技术机器人技术

背景情况:

职业背部支外骨架 (BSE) 旨在减少手动处理任务中的身体应力.
对于BSE对脊柱负荷的确切影响仍然不完全理解,需要进行生物力学研究.

研究的目的:

为了比较两种常见的肌肉骨模型 (OpenSim和AnyBody建模系统) 之间的脊椎间关节力 (IJF) 估计,在BSE和没有BSE的举重任务中进行.
通过计算建模来评估BSE在减少脊柱负荷方面的有效性.

主要方法:

利用了来自18名参与者进行对称和不对称的举重任务的数据,使用和不使用三个不同的BSE.
采用OpenSim和AnyBody建模系统来模拟任务并估计L4/L5轴压缩和前后切削力.
导出峰值力 (95百分位数) 作为主要结果指标.

主要成果:

无论是OpenSim还是AnyBody建模系统都预测了BSE使用后脊柱负荷的减少.
与AnyBody建模系统相比,OpenSim的IJF估计值显著更高.
对轴向压缩观察到强烈的正相关性,而剪切力相关性较弱,特别是在不对称条件下.

结论:

肌肉骨建模方法影响脊柱负荷的估计和BSE预测的好处.
模型之间的差异表明需要进一步研究人类外骨相互作用的建模和验证,使用体内数据.

关键词:

任何身体模型系统的建模系统.背部支外骨和外骨具有支持作用.肌肉骨系统的建模.打开SimSim,可以使用它.脊柱脊柱脊柱脊柱脊柱脊柱

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