Analysis of the immediate effect of the high-frequency oral oscillation exercise on individuals with and without vocal symptoms
Miriã Isabela dos Santos Dantas, Ana Cristina Côrtes Gama, Lorena Luiza Costa Rosa Nogueira, Renata Maria Moreira Moraes Furlan, Miriã Isabela dos Santos Dantas, Ana Cristina Côrtes Gama, Lorena Luiza Costa Rosa Nogueira, Renata Maria Moreira Moraes Furlan

TL;DR
This study examines how a high-frequency oral oscillation exercise using the Shaker® affects vocal parameters and self-reported discomfort in people with and without vocal symptoms.
Contribution
The study provides empirical evidence on the immediate effects of the Shaker® exercise on vocal health in both symptomatic and asymptomatic individuals.
Findings
The exercise reduced jitter in men with vocal symptoms and shimmer in men without symptoms.
Women with symptoms showed increased fundamental frequency and harmonic-to-noise ratio, while women without symptoms showed increased GNE.
All groups reported reduced vocal discomfort after the exercise.
Abstract
to verify the immediate effects of high-frequency oral oscillation using the Classic Shaker®, on acoustic, perceptual-auditory and vocal self-perception measures, in adults with and without vocal complaints. 50 individuals were allocated into four groups - men with vocal symptoms, men without vocal symptoms, women with vocal symptoms and women without vocal symptoms. The participants completed the Vocal Symptoms Scale, the self-assessment of vocal discomfort, and were subjected to voice recording before and after performing the tested exercise, which consisted of blowing the Shaker® - Classic model - mouthpiece, while emitting the vowel U, for three minutes. The recordings were submitted to acoustic analysis and perceptual-auditory analysis. Paired T-test and Wilcoxon test were used, significance level of 5%. after the exercise, there was a decrease in jitter in the groups of men with…
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Taxonomy
TopicsVoice and Speech Disorders · Phonetics and Phonology Research · Respiratory and Cough-Related Research
