The effect of bolus volume on hyoid kinematics in healthy swallowing

Ahmed Nagy, Sonja Molfenter, Melanie Péladeau-Pigeon, Shauna Stokely, Catriona M. Steele

Research output: Contribution to journalArticle

Abstract

Hyoid movement in swallowing is biomechanically linked to closure of the laryngeal vestibule for airway protection and to opening of the upper esophageal sphincter. Studies suggest that the range of hyoid movement is highly variable in the healthy population. However, other aspects of hyoid movement such as velocity remain relatively unexplored. In this study, we analyze data from a sample of 20 healthy young participants (10 male) to determine whether hyoid movement distance, duration, velocity, and peak velocity vary systematically with increases in thin liquid bolus volume from 5 to 20 mL. The temporal correspondence between peak hyoid velocity and laryngeal vestibule closure was also examined. The results show that maximum hyoid position and peak velocity increase significantly for 20 mL bolus volumes compared to smaller volumes, and that the timing of peak velocity is closely linked to achieving laryngeal vestibule closure. This suggests that generating hyoid movements with increased power is a strategy for handling larger volumes.

Original languageEnglish (US)
Article number738971
JournalBioMed Research International
Volume2014
DOIs
StatePublished - 2014

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Upper Esophageal Sphincter
Deglutition
Biomechanical Phenomena
Healthy Volunteers
Kinematics
Population
Liquids

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Medicine(all)

Cite this

The effect of bolus volume on hyoid kinematics in healthy swallowing. / Nagy, Ahmed; Molfenter, Sonja; Péladeau-Pigeon, Melanie; Stokely, Shauna; Steele, Catriona M.

In: BioMed Research International, Vol. 2014, 738971, 2014.

Research output: Contribution to journalArticle

Nagy, Ahmed ; Molfenter, Sonja ; Péladeau-Pigeon, Melanie ; Stokely, Shauna ; Steele, Catriona M. / The effect of bolus volume on hyoid kinematics in healthy swallowing. In: BioMed Research International. 2014 ; Vol. 2014.
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