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Elastic models of vocal fold tissues
F Alipour-Haghighi1, I R Titze
1Department of Speech Pathology and Audiology, University of Iowa, Iowa City 52242.
The Journal of the Acoustical Society of America
|September 1, 1991
Summary
This study quantifies the elastic properties of canine vocal fold muscle and mucosa tissues. These findings are crucial for understanding vocal fold vibrations and pitch control mechanisms.
Area of Science:
- Biomechanics
- Vocal Fold Physiology
- Tissue Engineering
Background:
- Understanding the biomechanical properties of vocal fold tissue is essential for analyzing vocal fold dynamics.
- Previous research has lacked detailed characterization of the elastic properties of canine vocal fold constituents.
Purpose of the Study:
- To experimentally determine the elastic properties of canine vocalis muscle and mucosa.
- To develop mathematical models for describing the stress-strain behavior of vocal fold tissues.
Main Methods:
- In vitro mechanical testing of canine vocal fold muscle and mucosa samples.
- Sinusoidal stretching and releasing of tissue samples using a dual-servo system (ergometer).
- Numerical fitting of stress-strain data using polynomial and exponential models.
Main Results:
- Quantified elastic properties of canine vocal fold muscle and mucosa.
- Generated stress-strain data for vocal fold tissues.
- Successfully modeled tissue behavior using mathematical functions.
Conclusions:
- The elastic properties of canine vocal fold tissues were successfully measured and modeled.
- These data provide a foundation for quantitative analysis of vocal fold vibrations.
- This research contributes to the theoretical understanding of pitch control mechanisms.