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Physiotherapeutic manual therapy of neck and laryngeal muscles in forward head posture and primary muscle tension dysphonia

The effect of physiotherapeutic manual therapy of neck and laryngeal muscles on the voice quality of patients with forward head posture and primary muscle tension dysphonia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250613066190N1
Enrollment
30
Registered
2025-07-17
Start date
2025-07-12
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Condition 1: Forward head posture. Condition 2: Primary muscle tension dysphonia. Abnormal posture Dysphonia

Interventions

Intervention 1: Intervention group: physiotherapeutic manual therapy (myofascial release) and controlled (timed) breathing. (single session) Manual therapy is performed in a single 30-minute ses

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: Women between the ages of 18 and 55 years old Have been diagnosed with primary muscle tension dysphonia by an otolaryngologist Have a forward head posture; craniovertebral angle less than or equal to 50 degrees After being informed about the study conditions, they expressed their informed consent to participate in the study

Exclusion criteria

Exclusion criteria: Neurological disorders involving the larynx Receiving speech therapy or voice-related treatments and physiotherapy of related areas at the same time as the study or 3 months before it An acute or chronic upper respiratory tract infection or cold Lumps, wounds, scars, excessive fatty tissue, or a history of surgery or radiotherapy in the anterior neck

Design outcomes

Primary

MeasureTime frame
Harmonic to noise ratio. Timepoint: Before and after the intervention. Method of measurement: Using Praat software and based on decibels.

Secondary

MeasureTime frame
Overall severity of dysphonia. Timepoint: Before and after the intervention. Method of measurement: The overall severity section of the Persian version of the Consensus auditory-perceptual evaluation of voice.;Jitter or frequency perturbation. Timepoint: Before and after the intervention. Method of measurement: Using Praat software under the title Jitter (local) and based on percentage.;Shimmer or amplitude perturbation. Timepoint: Before and after the intervention. Method of measurement: Using Praat software under the title Shimmer (local), and based on percentage.;Cepstral Peak Prominence. Timepoint: Before and after the intervention. Method of measurement: Using Praat software and based on decibels.;Smoothed Cepstral Peak Prominence. Timepoint: Before and after the intervention. Method of measurement: Using Praat software and based on decibels.;Frequency and intensity of vocal tract discomfort. Timepoint: Before and after the intervention. Method of measurement: Vocal tract discomfort scale- Persian.;Pressure pain threshold. Timepoint: Before and after the intervention. Method of measurement: Using an algometer.;Neck ranges of motion. Timepoint: Before and after the intervention. Method of measurement: Using a goniometer.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactNargess Sadeghi

Tehran University of Medical Sciences

nargess.sadeghi80@gmail.com+98 21 7726 9586

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026