Movement of the epiglottis during deglutition: A cineradiographic study
Abstract
The movements of epiglottis during swallowing of barium were studied by high-speed cineradiography in 150 volunteers who had no dysphagia. In 137 individuals the epiglottis tilted down in a two-step fashion during deglutition. The first movement from an upright to transverse position was accomplished by elevation of the larynx and approximation of the hyoid bone and thyroid cartilage. This first movement is evidently a passive one and induced by the muscles that lift the hyoid bone. The second movement of the epiglottis, from transverse to an inverted position, occurs later in swallowing and seems related to contraction of the thyroepiglottic muscle. The second epiglottic movement was absent in 7 individuals, and 6 others demonstrated obliquity of their epiglottis (30-90 degrees) when studied in AP projection.
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The MBSS permits detection of the presence and timing of aspiration and helps identify its physiologic and often treatable causes.
“The MBSS also permits detection of the presence and timing of aspiration, i.e., entry of ingested material below the level of the true vocal folds into the trachea, and assists in identifying the physiologic and often treatable cause(s) of the aspiration [35–38].”
From MBS Measurement Tool for Swallow Impairment—MBSImp: Establishing a Standard (2008) · cites this paper as [36]
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References 19 · Cited by 95
- Authors
- Ekberg, O., & Sigurjónsson, S. V.
- Affiliations
- Lund University (SE)
- ORCID
- Ekberg, Olle
- Venue
- Gastrointestinal Radiology
- Published
- 1982-12
- Volume
- 7
- Issue
- 1
- Pages
- 101-107
- ISSN
- 0942-8925 (ISSN-L)
- 0364-2356
- 1432-0509
- OpenAlex
- W2918312079
- Cited by
- 95
- References
- 19
- Citations by year
- 2026: 1 · 2025: 2 · 2023: 4 · 2022: 2 · 2021: 2 · 2020: 3 · 2019: 2 · 2018: 9 · 2017: 1 · 2016: 3 · 2015: 6 · 2014: 1 · 2013: 4 · 2012: 3
- FWCI
- 4.97
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Abdominal Imaging (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Health Professions › Speech and Hearing › Dysphagia Assessment and Management
- Health Sciences › Medicine › Rheumatology › Oropharyngeal Anatomy and Pathologies
- Health Sciences › Medicine › Physiology › Voice and Speech Disorders
- Keywords
- epiglottis, swallowing, barium swallow, laryngeal elevation, hyoid bone
- MeSH terms
- Adult, Aged, Barium Sulfate, Cineradiography, Deglutition, Epiglottis, Female, Humans, Male, Middle Aged, Pharyngeal Muscles, Pharynx
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