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This study aims to investigate the effects of combined SOVT and breathing exercises, administered twice weekly for six weeks to conservatory students, through a randomized controlled trial. The study has two hypotheses: H1: Combined SOVT and breathing exercises increase the maximum phonation duration. H2: Combined SOVT and breathing exercises improve spirometric parameters (FEV₁, FVC, FEV₁/FVC, and PEF).
This study aims to investigate the effects of combined SOVT and breathing exercises, applied twice a week for 6 weeks, on conservatory students at Gaziantep University through a randomized controlled trial. The study has two hypotheses: H1: Combined SOVT and breathing exercises increase maximum phonation duration. H2: Combined SOVT and breathing exercises improve spirometric parameters (FEV₁, FVC, FEV₁/FVC, and PEF). In the intervention group, phonation exercises using a pipette were taught and practiced as part of the SOVT exercise. Simultaneously, pursed-lip breathing, segmental breathing, and diaphragmatic breathing exercises were taught and practiced as breathing exercises. At the end of 6 weeks, the maximum phonation duration of all participants was measured with a stopwatch. Additionally, spirometric parameters were measured using a spirometer.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| SOVT-Breathing Group | Experimental | The exercises, which included combined sovt and breathing exercises, were performed twice a week for 6 weeks. The first measurement was taken in the first week, and the final measurement was taken after 6 weeks. |
|
| Control Group | No Intervention | The first measurement was taken in the first week, and the final measurement was taken after 6 weeks and no intervention was applied. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| combined soft and breathing exercises | Other | The intervention group underwent combined sovt and breathing exercises. Sovt exercises consisted of phonation exercises using a pipette. Breathing exercises consisted of pursed-lip breathing, segmental breathing, and diaphragmatic breathing exercises. |
| Measure | Description | Time Frame |
|---|---|---|
| Voice Handicap Index (VHI-10) | The Voice Handicap Index (VHI) will be used to assess participants' self-perceived voice-related handicap. The questionnaire consists of items evaluating the functional, physical, and emotional impact of voice problems. Total scores range from 0 to 40, with higher scores indicating greater perceived voice handicap. | 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Maximum Phonation Time (MPT) | Maximum Phonation Time (MPT) will be assessed by asking participants to sustain the vowel /a/ after a maximal inhalation at a comfortable pitch and loudness. Three trials will be performed with adequate rest between trials, and the longest duration recorded in seconds will be used for analysis. | 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Forced Vital Capacity (FVC) | Forced vital capacity (FVC, L) will be assessed using spirometry according to ATS/ERS recommendations. Participants will perform at least three acceptable forced expiratory maneuvers, and the highest value in liters will be recorded for analysis. | 6 weeks |
| Forced Expiratory Volume in 1 Second (FEV₁) |
Inclusion Criteria:
Being between 18 and 35 years of age
Exclusion Criteria:
• Having been diagnosed with any voice disorder (e.g., nodule, polyp, laryngitis, dysphonia, etc.)
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| Name | Affiliation | Role |
|---|---|---|
| ELIF DOKUNLU DINLER, Asst. Prof. | Hasan Kalyoncu University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hasan Kalyoncu University | Gaziantep | 27000 | Turkey (Türkiye) |
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| ID | Term |
|---|---|
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D001945 | Breathing Exercises |
| ID | Term |
|---|---|
| D026441 | Mind-Body Therapies |
| D000529 | Complementary Therapies |
| D013812 | Therapeutics |
| D026241 | Exercise Movement Techniques |
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Forced expiratory volume in one second (FEV₁, L) will be assessed using spirometry according to ATS/ERS recommendations. The highest value obtained from at least three acceptable maneuvers will be used for analysis. |
| 6 weeks |
| FEV₁/FVC Ratio | The FEV₁/FVC ratio (%) will be calculated from spirometric measurements obtained according to ATS/ERS recommendations. The highest acceptable values will be used for analysis. | 6 weeks |
| Peak Expiratory Flow (PEF) | Peak expiratory flow (PEF, L/min) will be assessed using spirometry according to ATS/ERS recommendations. The highest value obtained from at least three acceptable maneuvers will be recorded for analysis. | 6 weeks |
| D026741 |
| Physical Therapy Modalities |