肌肉包装对子M. plantaris三维结构的影响
Mischa Borsdorf1, Stefan Papenkort1, Markus Böl2
1Department of Motion and Exercise Science, University of Stuttgart, Stuttgart, Germany.
Journal of the mechanical behavior of biomedical materials
|October 16, 2024
概括
肌肉包装显著改变了子M. plantaris的形状和结构. 周围的组织使肌肉变平,增加带的和曲率,这对于理解肌肉力学至关重要.
科学领域:
- 生物力学 生物力学
- 肌肉骨解剖学 肌肉骨的解剖学
- 比较生理学比较生理学
背景情况:
- 肌肉在体内受到周围组织的外力影响,与孤立肌肉相比,肌肉的形状和机械性能发生变化.
- 子M. plantaris,一个具有内部和外部隔间的多边形小腿肌肉,紧密地包装在小腿肌肉结构中.
- 这种包装对植物的形状和架构的具体影响仍然在很大程度上未被描述.
研究的目的:
- 研究周围肌肉对子M. plantaris.形状和建筑特性的影响.
- 为了比较植物体在其生理 (包装) 状态中的建筑特征与其孤立状态.
主要方法:
- 用摄像度重建来分析植物体的三维形状.
- 手动数字化被用来评估肌肉结构,包括带的笔纹和曲率.
- 这项研究使用了三只子的对侧腿,检查了孤立和包装的M. plantaris标本.
主要成果:
- 与单独的条件相比,包装的植物体表现出 27% 的带笔纹增加和 54% 的带曲率增加.
- 带的长度不受肌肉包装的影响.
- 主要观察到的建筑变化是植物体的外,它呈现出平坦的形状和缩小的腹部宽度.
结论:
- 周围肌肉的外部力量显著地使M. plantaris变形,导致其内部结构的复杂变化.
- 这些发现强调了在建模肌肉功能和机制时考虑体内约束的重要性.
- 这项研究为开发和验证更现实的三维肌肉模型提供了有价值的数据.
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