Vocal and self-perception effects of straw phonation exercises

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dc.creatorLarissa Rezende da Paixão
dc.creatorMárcia Cristina Bebiano Tannes
dc.creatorBárbara Oliveira Souza
dc.creatorLorena Luiza Costa Rosa Nogueira
dc.creatorRenata Maria Moreira Moraes Furlan
dc.date.accessioned2023-08-23T21:30:35Z
dc.date.accessioned2025-09-09T00:55:15Z
dc.date.available2023-08-23T21:30:35Z
dc.date.issued2021-11-08
dc.format.mimetypepdf
dc.identifier.doi10.1590/1982-0216/20212368521
dc.identifier.issn19820216
dc.identifier.urihttps://hdl.handle.net/1843/58167
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofRevista CEFAC
dc.rightsAcesso Aberto
dc.subjectTreinamento da Voz
dc.subjectVoz
dc.subjectAcústica da Fala
dc.subjectFonoterapia
dc.subject.otherVoice
dc.subject.otherSpeech Acoustics
dc.subject.otherVoice-training
dc.subject.otherSpeech Therapy
dc.titleVocal and self-perception effects of straw phonation exercises
dc.typeArtigo de periódico
local.citation.epage9
local.citation.issue6
local.citation.spage1
local.citation.volume23
local.description.resumoPurpose: to assess the acoustic and self-perceived voice changes in women with and without voice symptoms after 1, 3, 5, and 7 minutes of straw phonation exercises. Methods: a total of 30 women aged 18 to 39 years participated in the study – 17 with and 13 without voice symptoms. The participants filled in the visual analog scale on self-perceived voice discomfort. The sustained vowel /ɛ/ was recorded in maximum phonation time before (m0) and after the first, third, fifth, and seventh minute perform ing straw phonation exercises. The maximum phonation time was measured, and an acoustic analysis was made, encompassing the following parameters: the number of harmonics, fundamental frequency, noise, glottal-to-noise excitation ratio (GNE), jitter, and shimmer. The Friedman and Wilcoxon tests were used to compare each parameter at the different moments, and the Mann-Whitney test, to compare the groups. The 5% significance level was set for the analyses. Results: no changes were found in either the acoustic variables or the self-perception of voice comparing the moments before and after the exercises in either group. The comparison between the groups revealed that the one with voice symptoms had lower GNE and higher noise values at the second moment performing the technique. Conclusion: the straw phonation did not cause acoustic or self-perceived voice changes in women with and without voice symptoms. The comparison between the groups showed that the women with symptoms had lower GNE and higher noise val ues than those without symptoms, after 1 minute performing straw phonation.
local.identifier.orcidhttps://orcid.org/0000-0001-7588-9316
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE FONOAUDIOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/rcefac/a/KRGdrrcX5rcVJryCTqjtZMx/?lang=en

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