Comparing effects of laryngeal manipulation” and breathing function intervention on voice of traditional singers
- Conditions
- Condition 1: Dysphonia. Condition 2: Voice disturbances.HoarsenessOther and unspecified voice disturbances
- Registration Number
- IRCT2015102524686N1
- Lead Sponsor
- Vice Chancellor for Research and Technology, Iran University of Medical Science
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 48
* Being an adult
* Having at least 4 years of experience in professional traditional singing
* Having healthy respiratory system in speech
* Not having history respiratory, cardiac, musculoskeletal and allergy problems
* Not having history of tobacco intake at least in 5 recent years
* Not having history of trauma to neck, head and larynx
* Not having history of laryngeal disease such as nodule and polyp and etc.
* Having chronic voice disorders
* Not having temporomandibular joint that cause sensory motor malfunction
* Not having hearing problems or paralysis and paresis in oral structures
Exclusion criteria :
* Having cold during intervention or evaluation sessions
* Sudden trauma to neck and head and larynx and stomach during study
* Having heavy performs that damages the larynx structure during study
* Not regularly attending treatment sessions or not following exercises at home
* Missing client's recorded data
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Acoustic features of voice. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: Acoustic analysis via Dr speech and Praat software.;Voice Quality. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: GRBAS Scale and Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V).;Patient perception of the severity of his/her voice disorder. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: Singing Voice Handicap Index questionnaire.;Breathing function. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: Researcher made questionnaire.;Tension of larynx muscles. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: Researcher made questionnaire.
- Secondary Outcome Measures
Name Time Method arynx surficial features. Timepoint: Before intervention, after intervention, three months after intervention. Method of measurement: Researcher made questionnaire.