Condition 1: Dysphonia. Condition 2: Voice disturbances. Dysphonia Other and unspecified voice disturbances
Conditions
Interventions
Intervention 1: Intervention group: This group will receive laryngeal manual therapy performed by Mathieson LMT method. Also exercises of "voice therapy based on glottal closure improvement" is prov
Sponsors
Iran University of Medical Sciences
Eligibility
Sex/Gender
Male
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: at least 4 years of professional singing experience history of voice disorder during last month diagnosed with primary muscle tension dysphonia (MTD)
Exclusion criteria
Exclusion criteria: history of allergy, laryngeal blunt trauma, head injury and phonosurgery hearing impairment being smoker
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Acoustic measures. Timepoint: Before intervention, after intervention, two weeks after intervention. Method of measurement: Acoustic analysis using Praat software.;Vocal fold closed quotient. Timepoint: Before intervention, after intervention, two weeks after intervention. Method of measurement: Electroglottography. | — |
Secondary
| Measure | Time frame |
|---|---|
| Voice Quality. Timepoint: Before intervention, after intervention, two weeks after intervention. Method of measurement: Auditory-Perceptual Rating Instrument for the Operatic Singing Voice( EAI scale).;Singing voice handicap. Timepoint: Before intervention, after intervention, two weeks after intervention. Method of measurement: Persian version of Singing voice handicap index.;Stroboscopic observational indices. Timepoint: Before intervention, after intervention, two weeks after intervention. Method of measurement: Voice-Vibratory Assessment With Laryngeal Imaging (VALI) Form. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactNassim Ahmadi
Iran University of Medical Sciences
Outcome results
None listed