Vocal Health and Wellness > left paresis post-surgery singing video

left paresis post-surgery singing video

by Lions Voice Clinic, University of Minnesota
posted 3 years ago
This video is one of four in a series showing the larynx of an adult female with a left vocal fold paresis (incomplete paralysis). Note that the left vocal fold does move slightly, but is very limited compared to the right. The paresis results in weak glottic closure, which prevents normal vocal fold vibration. This video shows the larynx after thyroplasty, that is, surgical placement of an implant that provides improved glottic closure and therefore better vibration. The improvement with better glottic closure is quite dramatic. This series of videos provides a good demonstration of the concept of entrainment, in which the vocal folds become "entrained" in the airstream to vibrate, as long as they are close enough together, and have similar underlying muscle tone.
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    Editor's Review
    This video provides a good view of the effects of vocal fold paresis on glottic closure and vocal fold vibration, and how it improves when glottic closure is surgically improved. Best viewed as a four-segment set.
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