Activation of upper airway muscles during breathing and swallowing

Ralph F Fregosi, Christy L. Ludlow

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The upper airway is a complex muscular tube that is used by the respiratory and digestive systems. The upper airway is invested with several small and anatomically peculiar muscles. The muscle fiber orientations and their nervous innervation are both extremely complex, and how the activity of the muscles is initiated and adjusted during complex behaviors is poorly understood. The bulk of the evidence suggests that the entire assembly of tongue and laryngeal muscles operate together but differently during breathing and swallowing, like a ballet rather than a solo performance. Here we review the functional anatomy of the tongue and laryngeal muscles, and their neural innervation. We also consider how muscular activity is altered as respiratory drive changes, and briefly address upper airway muscle control during swallowing.

Original languageEnglish (US)
Pages (from-to)291-301
Number of pages11
JournalJournal of Applied Physiology
Volume116
Issue number3
DOIs
StatePublished - Feb 1 2014

Fingerprint

Deglutition
Respiration
Laryngeal Muscles
Muscles
Tongue
Digestive System
Airway Management
Respiratory System
Anatomy

Keywords

  • Control of breathing
  • Larynx
  • Pharynx
  • Respiratory muscles
  • Swallowing

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Activation of upper airway muscles during breathing and swallowing. / Fregosi, Ralph F; Ludlow, Christy L.

In: Journal of Applied Physiology, Vol. 116, No. 3, 01.02.2014, p. 291-301.

Research output: Contribution to journalArticle

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