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Updated: Jul 4, 2026
08:32
Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
Published on: March 1, 2015
[Model for the functional instruction of swallowing]
Takahiro Satoda1, Saiji Shimoe, Seicho Makihira
1Department of Oral Health Engineering, School of Oral Health Science, Faculty of Dentistry, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima 734-8553, Japan.
Kaibogaku Zasshi. Journal of Anatomy
|June 25, 2008
Summary
This study presents a novel physical model to simplify the complex mechanism of swallowing for educational purposes. The model effectively demonstrates the three phases of swallowing and the coordinated muscle actions involved.
Area of Science:
- Anatomy
- Physiology
- Biomechanics
Context:
- Teaching the complex mechanism of swallowing presents significant challenges.
- Understanding the intricate interplay of muscles and anatomical structures during deglutition is crucial for medical education.
Purpose:
- To develop and present a simplified, physical model for effectively teaching the mechanism of swallowing.
- To illustrate the three distinct phases of swallowing: oral, pharyngeal, and esophageal.
Summary:
- A physical model was constructed using materials like paper clay, EVA sheets, wire, and springs to represent anatomical structures.
- The model simulates the actions of the tongue, soft palate, epiglottis, laryngeal elevation, and pharyngeal constrictor muscles.
- It visually demonstrates bolus propulsion through the oral, pharyngeal, and esophageal phases, including laryngeal closure and upward/anterior movement.
Impact:
- This educational tool can enhance student comprehension of the complex biomechanics of swallowing.
- Provides a tangible and interactive method for visualizing the physiological processes involved in deglutition.
- Aids in understanding the coordinated muscular contractions essential for safe and efficient food passage.
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