基于3D超声波的确定骨肌肉带的方向
Annika S Sahrmann1,2, Lukas Vosse3,4, Tobias Siebert3,4
1Institute for Modelling and Simulation of Biomechanical Systems, University of Stuttgart, Pfaffenwaldring 5A, 70569, Stuttgart, Germany. sahrmann@imsb.uni-stuttgart.de.
Biomechanics and modeling in mechanobiology
|March 26, 2024
概括
这项研究引入了一种3D超声波方法,用于测量骨肌肉带的方向和角. 该技术准确地捕捉了3D肌肉几何形状,揭示了各种脚位置和肌肉区间的笔纹角度的显著差异.
科学领域:
- 生物力学 生物力学
- 肌肉骨超声波 肌肉骨超声波
- 医疗成像医学成像
背景情况:
- 骨肌肉的结构参数,如角,对于理解肌肉功能,力生成和收缩速度至关重要.
- 准确测量这些参数对于生物力学分析和临床应用至关重要.
研究的目的:
- 引入和验证一种基于3D超声波的新工作流程,用于确定骨肌肉中的3D带方向和角.
- 评估开发方法的准确性和可靠性,使用幻影和体内人体实验对象.
主要方法:
- 采用定制自动化电机驱动的3D超声波系统来获取3D超声波图像.
- 开发了一种定制的基于过器的多尺度血管增强算法,用于带检测和测量肌肉体积和角.
- 在体内试验中,对10名健康受试者的前 (TA) 肌肉进行了三种脚关节位置 (脚下,中性,静止) 的实验.
主要成果:
- 幻影试验显示出高精度,平均绝对误差为0.92±0.59度.
- 在深部肌肉区的所有脚位置之间观察到TA笔纹角度的显著差异.
- 表面和深层间的角有显著差异,并且在表面中与平面屈曲和休息位置相比,在中立位置增加.
结论:
- 展示的3D超声波工作流程准确地捕捉了体内3D肌肉几何和带方向.
- 该方法揭示了与脚关节位置和肌肉区域相关的笔纹角度的显著变化.
- 这种技术为对骨肌结构和功能进行非侵入性评估提供了有价值的工具.
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