Nasal Resistance (NR) Technique: A Novel Approach to Improve Glottal Adduction.
Several techniques have been practiced in the field of voice therapy to balance glottal pressures and improve glottal adduction. As such, Semioccluded Vocal Tract Exercises using narrow diameter straws have shown promise as a technique to increase glottal contact as reflected by Closed Quotients (CQ...
| Publicado en: | Journal of Voice Vol. 36; no. 1; pp. 91 - 98 |
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| Formato: | research Journal Article |
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Elsevier B.V.
Jan2022
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=154504632&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 154504632 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 08921997 H24 jtl: Journal of Voice issn: 08921997 maglogo: N pubinfo: dt: Jan2022 vid: 36 iid: 1 pid: 467 pub: Elsevier B.V. place: New York, New York artinfo: ui: 154504632 154504632 154504632 10.1016/j.jvoice.2020.04.020 154504632 ppf: 91 ppct: 7 formats: tig: atl: Nasal Resistance (NR) Technique: A Novel Approach to Improve Glottal Adduction. aug: au: Radhakrishnan, Nandhakumar (Nandhu) affil: Department of Speech and Hearing Sciences, Voice Lab & Vocology Clinic, Lamar University, Beaumont, Texas sug: subj: Voice Therapy Methods Glottis Physiology Nasal Obstruction Task Performance and Analysis Human Female Vocal Cords Phonation Singing Repeated Measures One-Way Analysis of Variance Descriptive Statistics Female ab: Several techniques have been practiced in the field of voice therapy to balance glottal pressures and improve glottal adduction. As such, Semioccluded Vocal Tract Exercises using narrow diameter straws have shown promise as a technique to increase glottal contact as reflected by Closed Quotients (CQ) measured from electroglottograph (EGG). This study explored the effect of nasal resistance (NR) technique, a manually induced NR approach, on glottal adduction in phononormal subjects as a possible new therapeutic technique to assist in glottal closure. Thirty-four vocally healthy adult females qualified for this study. All subjects were reportedly and perceptually normal. Subjects were instructed to perform tasks including (a) steady modal phonation, (b) straw phonation, (c) humming, and (d) NR technique in a random order. EGG measures included calculation of the CQ and jitter during the mid-section of each stimuli for a minimum of 10 EGG cycles. One-way repeated measures ANOVAs and Bonferroni post-hoc comparisons were calculated to determine differences between each phonatory task for the outcome measures of CQ and jitter. Analyses revealed that the mean CQ was significantly different in all the tasks performed with humming (33.99%) at the lowest and NR technique at highest (43.88%). Though the CQ of straw phonation (40.53%) was higher than modal steady phonation (36.65%), jitter was found to be significantly lower for NR technique (0.23%). Jitter during straw phonation (0.43%) did not differ significantly from modal phonation (0.44%). These results provide preliminary evidence that NR technique can increase CQ with lower levels of jitter compared to straw phonation using a narrow diameter of 2 mm. Future studies should expand enrollment to men, larger age ranges, and patients with hypofunctional symptoms (eg, Parkinson disease) to evaluate the potential benefits of NR as a therapeutic technique. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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