Immediate effect of phonation into silicone tube on gospel singers
Efeito imediato da fonação em tubo de silicone em cantores gospel
Daniela Macedo dos Rios Gonçalves; Rosiane Kimiko Yamasaki Odagima; Thays Christina Garcia Vaiano; Elisabeth Amin; Mara Behlau.
Abstract
Purpose: To investigate the immediate effect of phonation into silicone tube on self-assessment and vocal quality of gospel singers. Methods: The sample was composed of 40 gospel singers without vocal complaint, males and females, from 18 to 40 years. The singers performed semi-occluded vocal tract exercise in LaxVox silicone tube. The end of the tube was submerged in water (2cm depth), for three minutes. Before and after exercise, voice recording was performed for perceptive-auditory evaluation, and only after exercise, the voice and comfort phonation self-assessments (CSA) were performed. The descriptive and inferential statistical analysis were performed. Results: All participants reported improvement in voice. In addition, a significant higher proportion of them indicated phonation comfort improvement after exercise. According to the perceptive-auditory evaluation, there was no difference in the comparison of the proportions of pre- and post-exercise perceptive-auditory evaluation categories in gospel singers. Conclusion: The phonation exercise into a silicone tube caused an immediate positive effect on gospel singers’ voice and comfort phonation self-assessments. There was no significant difference in the perceptive-auditory evaluation before and after phonation into silicone tube in gospel singers.
Keywords
Resumo
Objetivo: Investigar o efeito imediato da fonação em tubo de silicone na autoavaliação e na qualidade vocal de cantores gospel. Método: Amostra composta por 40 cantores gospel sem queixa vocal, ambos os sexos, 18 a 40 anos. Os cantores realizaram um exercício de trato vocal semiocluído de fonação em tubo de silicone LaxVox, com uma extremidade submersa em água a 2cm de profundidade, por 3 minutos. Antes e após o exercício, foi realizada gravação da voz para avaliação perceptivo-auditiva, e somente após o exercício foi feita autoavaliação da voz e do conforto fonatório. Os dados foram analisados por meio de estatística descritiva e inferencial. Resultados: Todos os participantes relataram melhora na voz, além de proporção significativamente maior de melhora do conforto fonatório pós-exercício. Na avaliação perceptivo-auditiva, não houve diferença na comparação das proporções das categorias da avaliação perceptivo-auditiva pré e pós-exercício em cantores gospel. Conclusão: O exercício de fonação em tubo de silicone promoveu efeito imediato positivo na autoavaliação da voz e do conforto fonatório dos cantores Gospel. Não houve diferença significativa na avaliação perceptivo‑auditiva pré e pós-exercício de fonação em tubo de silicone em cantores gospel.
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References
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Submitted date:
05/30/2018
Accepted date:
02/25/2019
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