Trial reportInternational journal of speech-language pathology2019
Vocal function exercises for normal voice: The effects of varying dosage.
Trial report in International journal of speech-language pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Effect of the Fake Phone Call App on Patient Adherence Behavior and Motivation in Conversation Training Therapy: A Randomized Crossover Trial.American journal of speech-language pathology · 2026Trial
- Vocal Function Exercises With and Without Maximally Sustained Phonation: A Randomized Controlled Trial of Individuals With Normal Voice.Journal of voice : official journal of the Voice Foundation · 2025Trial
- Comparative Study of Two Semi-Occluded Vocal Tract Protocols: A Randomized Clinical Trial.Journal of speech, language, and hearing research : JSLHR · 2024Trial
- Efficacy of Voice Therapy in Improving Vocal Function in Adults Irradiated for Laryngeal Cancers: A Pilot Study.Journal of voice : official journal of the Voice Foundation · 2020Trial
- Vocal function exercises for normal voice: With and without semi-occlusion.International journal of speech-language pathology · 2019Trial
- Treatment Effects of Combined Transoral Injection Laryngoplasty with Short Voice Therapy in Patients with Unilateral Vocal Fold Immobility: A Pilot Study.Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics (IALP) · 2025Article
- Effect of Vocal Function Exercises on the Voice Handicap Index, Vocal Fatigue Index, and Number of Vocal Fatigue Symptoms in Bank Workers: Single-Blinded Randomized Controlled Trial.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2024Article
- Active Ingredients of Voice Therapy for Muscle Tension Voice Disorders: A Retrospective Data Audit.Journal of clinical medicine · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
purposeThis study examined the effect of varying dosage of vocal function exercise (VFE) home practice on attainment of pre-established maximum phonation time (MPT) goals in individuals with normal voice. High dosage VFE practice was expected to result in greatest MPT. The overarching goal of this study was to contribute to a VFE dosage-response curve, potentially including a point of observable toxicity.
methodTwenty-eight females ages 18-25 with normal voice participated in this pre-post longitudinal group study. Participants were randomly assigned to one of three experimental groups and completed a six-week VFE protocol with practice twice daily. The low dosage group performed each exercise once, the traditional group twice, and the high dosage group four times. The primary outcome measure was MPT as performed on the fourth VFE using the prescribed semi-occluded vocal tract posture.
resultNo toxic effects were observed. MPT increased for all participants, with significant improvement for traditional and high dosage groups.
conclusionHigh dosage VFEs may yield more rapid improvement in MPT, however benefits must be weighed against the risk of increased attrition. Low dosage VFEs insufficiently improved MPT. Further research on dosage is warranted, and should include individuals with disordered voice.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.