Vocal Fatigue
Conditions
Interventions
control group:vocal rest for 10 minutes
Experimental group A:Straw phonation training for 10 minutes
Experimental group B:vocal rest for 5 minutes and straw phonation training for 5 minutes
Sponsors
The Third Xiangya Hospital, Central South University
Eligibility
Sex/Gender
All
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: (1) The subjects are healthy adults aged 20 to 40 years old with a minimum education level of high school. (2) All subjects undergo laryngoscopic examination and show no organic lesions. (3) No smoking history. (4) No health issues caused by excessive alcohol consumption. (5) No history of voice complaints or voice disorders. (6) No acute infections within 2 weeks prior to participation in the study. (7) All participants provide informed consent prior to participation. (8) Participants are instructed to avoid excessive vocal use (e.g., singing, shouting, speaking loudly), spicy foods, carbonated or caffeinated beverages, and alcohol within 24 hours before and after participation. Additionally, they should not eat anything within 1 hour before the test to avoid throat reflux.
Exclusion criteria
Exclusion criteria: (1) Any organic pathology affecting the vocal cords. (2) Significant diseases of the respiratory, nervous, cardiovascular, and hepatic systems, as well as hearing impairments. (3) Individuals with cognitive impairments, psychiatric disorders, and conversion disorders. (4) Participants who do not comply with the trial protocol, thereby affecting the assessment of efficacy. (5) Participants who prematurely withdraw from the treatment due to severe adverse events or specific physiological abnormalities. (6) Missing relevant data that may impact the assessment of efficacy and safety.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Maximum phonation time;jitter;shimmer;HNR;cepstral peak prominence;Vocal Tract Discomfort Scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| current speaking effort level;laryngeal discomfort; | — |
Countries
China
Contacts
Public ContactJing Peng
The Third Xiangya Hospital, Central South University
Outcome results
None listed