Voice related problems.
Conditions
Interventions
Intervention 1: Intervention group: Vocal hygiene counseling and implementation of semi-occluded vocal tract (SOVT) exercises. Intervention 2: Control group: Vocal hygiene counseling.
Sponsors
Semnan University of Medical Sciences
Eligibility
Sex/Gender
Female
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: Participants were currently employed as practicing teachers Participants did not engage in extensive voice use outside of teaching (e.g., professional singing) Participants had no history of tobacco use or alcohol consumption Participants had no history of neurological disorders, hearing loss, or cardiovascular disease Participants had no history of surgery involving the head, neck, larynx, or gastrointestinal tract (including the stomach and esophagus) Participants had no history of respiratory diseases such as asthma or active allergies Participants had no history of diagnosed psychological disorders, including anxiety or depression Participants were not in the menopausal stage Participants had not experienced a common cold or any respiratory tract infection within the two weeks preceding the implementation of the study Participants were not menstruating at the time of the pre- and post-intervention assessments
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vocal Fatigue Index. Timepoint: before and after intervention. Method of measurement: self-report.;Vocal Tract Discomfort questionnaire. Timepoint: before and after intervention. Method of measurement: self-report.;Voice Related Quality Of Life questionnaire. Timepoint: before and after intervention. Method of measurement: self-report. | — |
Secondary
| Measure | Time frame |
|---|---|
| Fundamental frequency. Timepoint: Before and after intervention. Method of measurement: Acoustic analysis.;Jitter. Timepoint: Before and after intervention. Method of measurement: Acoustic analysis.;Shimmer. Timepoint: Before and after intervention. Method of measurement: Acoustic analysis.;Harmonic to noise ratio. Timepoint: Before and after intervention. Method of measurement: Acoustic analysis.;Auditory-Perceptual Evaluation of Voice. Timepoint: Before and after intervention. Method of measurement: Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V). | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactSeyede Ghazal Sedighi
Semnan University of Medical Sciences
Outcome results
None listed