Mutational Falsetto.
Conditions
Interventions
Intervention 1: Intervention group: manual laryngeal reposturing maneuver. Intervention 2: Control group: Redirected phonation technique.
Sponsors
Tehran University of Medical Sciences
Eligibility
Sex/Gender
Male
Age
14 Years to 40 Years
Inclusion criteria
Inclusion criteria: Male participants with a vocal complaint of having a thin or high-pitched voice Presence of normal vocal fold structures as confirmed by stroboscopic evaluation Having a habitual speaking fundamental frequency higher than 180 Hz The speaking voice range corresponding to the female frequency domain Age range between 14 and 40 years No history of hearing loss, hormonal disorders, neurological diseases, or head and neck surgeries. No prior participation in voice therapy programs or other related treatments for their voice problem, either before or concurrently with the study Absence of upper respiratory tract infections or common colds at the time of the initial and final assessments and within three weeks prior to them No history or presence of gastrointestinal diseases, except for gastroesophageal reflux, due to its relatively high prevalence
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fundamental frequency. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic analysis.;Jitter. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic analysis.;Shimmer. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic Analysis.;Harmonic to noise ratio. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic Analysis.;Cepstral peak prominence. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic Analysis.;Cepstral peak prominence smoothed. Timepoint: Before and immediately after the intervention. Method of measurement: Acoustic Analysis.;Voice Handicap Index-30. Timepoint: Before and one month after the intervention. Method of measurement: Self-assessment.;Depression, Anxiety, Stress scale-21. Timepoint: Before and one month after the intervention. Method of measurement: Self-assessment.;Neuroticism, Openness and Extraversion (NEO) Five-Factor Inventory. Timepoint: Before and one month after the intervention. Method of measurement: Self-assessment.;Overall dysphonia severity. Timepoint: Before and immediately after the intervention. Method of measurement: Auditory-perceptual assessment. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactFateme Zahra Adabi Mohazzab
Tehran University of Medical Sciences
Outcome results
None listed