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一个计算模型揭示了侧壁和软 palates 肌肉激活的变化如何区分了头关闭模式
Matthew D DiSalvo1, Silvia S Blemker1,2, Kazlin N Mason3
1Department of Biomedical Engineering, University of Virginia, Charlottesville.
Journal of speech, language, and hearing research : JSLHR
|October 30, 2024
概括
这项研究开发了一种新的细关闭的有限元素模型,它结合了侧壁 (LPW) 和上缩肌 (SPC) 肌肉. 这种经过验证的模型增强了对VP功能和功能障碍的理解.
科学领域:
- 生物力学 生物力学
- 计算建模计算建模
- 语音科学是一种语言科学.
背景情况:
- 有限元 (FE) 模型对于研究喉 (VP) 功能至关重要.
- 现有的FE模型还没有充分考虑侧壁 (LPW) 在VP关闭中的积极作用.
研究的目的:
- 开发和验证VP关闭的全面FE模型.
- 在LPW中作为活性成分,将上结缩肌 (SPC) 纳入LPW中.
主要方法:
- 开发了一种FE模型,整合了面膜,侧面和后面的喉壁,以及levator veli palatini (LVP) 和SPC肌肉的生物机械激活.
- 模拟不同的肌肉激活,以评估对VP关闭的贡献.
- 验证了模型与在休息和演讲期间的规范性磁共振成像数据相对应.
主要成果:
- 创建了一个高度准确和验证的VP功能的生物机械模型.
- 证明了肌肉激活 (SPC,LVP,毛皮) 和VP闭合模式之间的关系.
- 量化了VP关闭所需的解剖变化.
结论:
- 这是第一个包含LPW和SPC肌肉在VP关闭中的积极贡献的FE模型.
- 经过验证的模型可以促进对VP功能障碍的理解.
- 这项工作为患者特定的VP建模和临床计算工具提供了基础.
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The nasopharynx, bordered by the conchae of the nasal cavity, serves exclusively as an air conduit. In its superior region, the pharyngeal tonsils or adenoids are located. These tonsils are clusters of lymphoid reticular tissue akin to a lymph node. The precise...

