Simulated effects of cricothyroid and thyroarytenoid muscle activation on adult-male vocal fold vibration

Soren Lowell, Brad H. Story

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Adjustments to cricothyroid and thyroarytenoid muscle activation are critical to the control of fundamental frequency and aerodynamic aspects of vocal fold vibration in humans. The aerodynamic and physical effects of these muscles are not well understood and are difficult to study in vivo. Knowledge of the contributions of these two muscles is essential to understanding both normal and disordered voice physiology. In this study, a three-mass model for voice simulation in adult males was used to produce systematic changes to cricothyroid and thyroarytenoid muscle activation levels. Predicted effects on fundamental frequency, aerodynamic quantities, and physical quantities of vocal fold vibration were assessed. Certain combinations of these muscle activations resulted in aerodynamic and physical characteristics of vibration that might increase the mechanical stress placed on the vocal fold tissue.

Original languageEnglish (US)
Pages (from-to)386-397
Number of pages12
JournalJournal of the Acoustical Society of America
Volume120
Issue number1
DOIs
StatePublished - 2006
Externally publishedYes

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muscles
activation
vibration
aerodynamics
aerodynamic characteristics
physiology
adjusting
Fold
Aerodynamics
Activation
Physical
simulation
Fundamental Frequency

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Simulated effects of cricothyroid and thyroarytenoid muscle activation on adult-male vocal fold vibration. / Lowell, Soren; Story, Brad H.

In: Journal of the Acoustical Society of America, Vol. 120, No. 1, 2006, p. 386-397.

Research output: Contribution to journalArticle

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