The Impact of Double Source of Vibration Semioccluded Voice Exercises on Objective and Subjective Outcomes in Subjects with Voice Complaints
| Autor: | Camilo Quezada, Gabriela Acuña, Fernanda Pacheco, Marco Guzman, Francisca Peralta, Constanza Romero, Cecilia Vergara |
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| Rok vydání: | 2017 |
| Předmět: |
Adult
Male medicine.medical_specialty Glottis Time Factors Voice therapy Voice Quality Voice exercises media_common.quotation_subject Audiology Vibration Speech Acoustics 030507 speech-language pathology & audiology 03 medical and health sciences Speech and Hearing Young Adult 0302 clinical medicine Phonation Tongue Muscle tension Perception Sensation medicine Humans Chile 030223 otorhinolaryngology media_common Voice Disorders business.industry Recovery of Function LPN and LVN Lip Self Concept Muscle relaxation medicine.anatomical_structure Treatment Outcome Voice Training Otorhinolaryngology Speech Perception Female 0305 other medical science business Vocal tract |
| Zdroj: | Journal of voice : official journal of the Voice Foundation. 32(6) |
| ISSN: | 1873-4588 |
| Popis: | Summary Purpose The present study reports the effects of double source of vibration semioccluded vocal tract exercises (SOVTEs) on subjective and objective variables in subjects with voice complaints. Methods Eighty-four participants with voice complaints were randomly assigned to one of four treatment groups: (1) water resistance therapy, (2) tongue trills, (3) lip trills, and (4) raspberry (tongue and lip trills at the same time). Before and after voice therapy, participants underwent aerodynamic, electroglottographic, and acoustic assessments. Measures for the Vocal Tract Discomfort Scale (VTDS), self-assessment of resonant voice quality, and sensation of muscle relaxation were also obtained. Three assessment sessions were conducted: (1) before the therapy session (Pre), (2) immediately after the voice therapy session (Post 1), and (3) 1 week after home practice (Post 2). Results Significant differences between baseline (Pre) and both post measures were found for the perception of muscle relaxation and resonant voice quality. No significant differences between Post 1 and Post 2 for any exercises were observed. This indicates that all voice exercises improved subjective self-perceived voice quality immediately after exercises and that improvement remained stable after 1 week of practice. Water resistance therapy and raspberry attained the highest effect. A significant decrease for all exercises was also observed for VTDS values after 1 week of practice. Although some significant changes were observed in objective variables, no clear patterns could be detected. Conclusions SOVTEs with secondary source of vibration may reduce vocal symptoms related to physical discomfort in subjects with voice complaints. Objective variables apparently do not fully reflect subjective positive outcomes, or they are not sensitive enough to capture changes. No significant differences between four observed SOVTEs were observed. |
| Databáze: | OpenAIRE |
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