保持面部表情的能力
Hilde Schutte1, Freek Bielevelt1,2, Hafsa Emohamadian1
1Department of Oral- and Maxillofacial Surgery, University Medical Center Utrecht, Utrecht.
The Journal of craniofacial surgery
|February 16, 2024
概括
持续面部表情,如微笑或嘴是可能的,大约5分钟. 这项关于面部肌肉运动的研究表明,在动态面部动作期间,磁共振成像 (MRI) 扫描的最佳时机.
科学领域:
- 生物力学 生物力学
- 医疗成像医学成像
- 人体生理学 人体生理学
背景情况:
- 优化磁共振成像 (MRI) 面部肌肉功能需要理解在持续面部表情的运动.
- 面部肌肉成像需要个人保持静止,这对动态研究构成了挑战.
研究的目的:
- 评估运动的程度,同时保持面部表情 (微笑和嘴) 随着时间的推移.
- 为了确定在面部肌肉激活期间MRI扫描的可行性.
主要方法:
- 十名健康的志愿者保持了六分钟的微笑和的表情.
- 通过3DMedX软件每分钟拍摄三维照片以量化移动,使用距离地图和根正方形计算.
主要成果:
- 大多数面部运动发生在第一分钟内,随后强度下降.
- 面部表情可以保持稳定,尽管强度降低,在最初一分钟后.
- 微笑导致较大的肌肉松,而不是嘴.
结论:
- 在动态面部表情期间进行MRI扫描是可行的,如果在第一分钟后启动.
- 脸部肌肉运动模式在微笑和嘴之间有所不同,微笑显示出更多的松.
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