Efficacy of Flow Ball Phonation in Professional Voice Users
Trial Parameters
Brief Summary
The aim of this study is to investigate the effects of flow ball phonation on the voice of professional voice users and elite vocal performers, both with and without functional voice disorders. Given the substantial vocal demands inherent to this population and their reliance on the voice for occupational purposes, this intervention may represent a valuable approach for the prevention and/or treatment voice disorders.
Eligibility Criteria
OBJECTIVE 1: TREATMENT Inclusion Criteria: * All genders * All ethnicities * 18 - 60 years * Diagnosis of a functional voice disorder * Professional voice users Exclusion Criteria: * Diagnosis of an organic voice disorder * Current participation in voice therapy * Previous phonosurgical interventions * Pregnancy * Smoking * Nasal or ear diseases * Neurological disorders OBJECTIVE 2: PREVENTION Inclusion Criteria: * All genders * All ethnicities * 18 - 60 years * Professional voice users Exclusion Criteria: * Current or previous diagnosis of a voice disorder * Current or previous participation in voice therapy * Previous phonosurgical interventions * Pregnancy * Smoking * Nasal or ear diseases * Neurological disorders