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一种新的方法,以有前途的准确度来估计大关节后部旋转:与最小化大关节旋转方法的有效性比较

Takayuki Aimi¹, Yasuo Nakamura²

¹Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe-shi, Kyoto-fu, 610-0394, Japan; Japan Society for the Promotion of Science, Kojimachi Business Center Building, 5-3-1 Kojimachi, Chiyoda-ku, Tokyo, 102-0083, Japan.

Medical engineering & physics

|August 3, 2023

概括

一种新方法通过考虑关节 (AC) 关节运动,准确地估计了肩部复合体中关节 (SC) 后部旋转. 这可以改善非侵入性动力学评估和肩部运动的肌肉骨建模.

科学领域:

生物力学生物力学
人类解剖学人类解剖学
运动学运动学

背景情况:

人类肩部综合体在关节 (SC),关节 (AC) 和关节关节之间有9个旋转自由度 (DoF).
肩部旋转的非侵入性测量对于动力学评估和肌肉骨建模至关重要.
估计SC后部旋转的常规方法可能是不准确的,因为它假定没有AC关节旋转.

研究的目的:

开发和验证一种新方法来估计SC后部旋转,该方法包含AC关节运动.
将新方法的准确性与传统方法和磁共振成像 (MRI) 注册方法进行比较.

主要方法:

8名健康的男性进行了18种不同的姿势.
用传统方法和新方法估计SC后部旋转.
估计值与通过基于MRI的注册方法获得的测量值进行了比较.

主要成果:

传统方法在所有18种姿势中显示出与MRI记录的显著差异,根平均平方误差 (RMSE) 为22.7°.
这种新方法显示出更高的准确性,与MRI记录的显著差异只有一个姿势和6.8°的RMSE.
新方法显著提高了SC后部旋转估计的准确性.

结论:

新方法提供了比传统方法更准确的SC后部旋转估计.
结合交流关节旋转测量,可以更精确地进行肩部动力学的非侵入性评估.
这一进步有助于在与其他技术相结合时,对肩部复合体的所有9-DoF旋转进行非侵入性测量.

关键词:

一个状关节的关节是Acromioclavicular.关键骨关节的关键骨关节是一个关键.这就是为什么MRI是MRI.后面的旋转旋转.头骨是一个头骨.绝缘关节关节的关节关节.

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