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KMID : 1022420090010020037
Phonetics and Speech Sciences
2009 Volume.1 No. 2 p.37 ~ p.42
The Effect of Vocal Function Exercise on Voice Improvement in Patients with Vocal Nodules
Lim Hye-Jin

Kim Jeong-Kyu
Kwon Do-Ha
Park Jun-Young
Abstract
The purpose of the present study was to determine the effect of the management program known as vocal function exercise (VFE) on voice quality. Typical VFE was modified and applied to patients with vocal nodules by controlling intensity of voice and relieving the vocal fold to solve hyperfunctional problems in VFE. Eight female subjects aged between 28 and 54 who had been diagnosed with vocal nodules took part in the study. The patients performed VFEs once a week for eight weeks. Vocal function exercises consist of voice hygiene, respiratory training, phonation training, and glide training. The subjects¡¯ voices were analyzed pre and post therapy on the aspects of acoustics, maximum phonation time (MPT), GRBAS, and voice handicap index (VHI). As a result, it was found that fundamental frequency () was significant increased, shimmer decreased remarkably and that noise to harmonic ratio (NHR) lowered obviously in the acoustic parameter. In addition, MPT was increased significantly. The scale of GRBAS indicated significant improvement in grade, roughness, and strained voice. VHI indicated significant improvement in an emotional part. In conclusion, VFE was effective in improving voice quality for patients with vocal nodules.
KEYWORD
Voice therapy, vocal function exercise, vocal nodules
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