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How much loading does the water resistance therapy pose on the vocal folds?
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SYSNO ASEP 0480181 Druh ASEP A - Abstrakt Zařazení RIV Záznam nebyl označen do RIV Název How much loading does the water resistance therapy pose on the vocal folds? Tvůrce(i) Laukkanen, A.M. (FI)
Geneid, A. (FI)
Bula, Vítězslav (UT-L) RID
Radolf, Vojtěch (UT-L) RID, ORCID
Horáček, Jaromír (UT-L) RID, ORCIDCelkový počet autorů 5 Zdroj.dok. AQL 2017 The 12th International Conference on advances in quantitative laryngology, voice and speech research. - Hong Kong, 2017 / Ma E. ; Yiu E.
S. 1Poč.str. 1 s. Akce AQL 2017 The 12th International Conference on Advances in Quantitative Laryngology, Voice and Speech research Datum konání 17.10.2017 - 21.10.2017 Místo konání Hong Kong Země HK - Hongkong Jazyk dok. eng - angličtina Země vyd. HK - Hongkong Klíč. slova biomechanics of voice ; impact stress measurement ; glottal opening measurement ; measurement of pre-collision velocity of vocal folds Vědní obor RIV BI - Akustika a kmity CEP GA16-01246S GA ČR - Grantová agentura ČR Institucionální podpora UT-L - RVO:61388998 Anotace A male participant sustained a rounded back vowel [u:] or [o:] at a comfortable pitch and loudness, and phonated into a silicone "Lax vox" tube submerged 2 cm in water. High speed laryngoscopy was performed with a rigid scope. Oral airpressure (Poral) was registered in mouthpiece through which the endoscope was inserted in the larynx. EGG was recored. Results of the participant were compared with those from a physical model of phonation, consisting of silicone vocal folds, and a plexiglas vocal tract in the setting for [u:].
CQ increased, both derived from EGG and glottal area, while negative glottal area derivative and NAQ (from area) decreased for phonation into water. Results from modelling were in line with those obtained from human.
Water resistance therapy does not seem to increase vocal fold loading even if CQ increase and NAQ decrease suggest a more pressed phonation. CQ from EGG corresponds to that of area, but CQ does not seem to be a reliable estimate of impact stress.Pracoviště Ústav termomechaniky Kontakt Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Rok sběru 2018
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