Abstract
OBJETIVO: verificar o nível de pressão sonora (NPS) modal e o tempo máximo de fonação (TMF) de /a/ de mulheres adultas, sem queixas vocais ou afecções laríngeas, antes, imediatamente após e cinco minutos após a execução da técnica de finger kazoo (FK). MÉTODO: coleta do TMF/a/, medida da frequência fundamental (f0) e seu desvio-padrão e do NPS modal, de 32 mulheres entre 18 e 40 anos de idade sem queixas vocais ou afecções laríngeas antes (M1), imediatamente após três séries de 15 repetições do FK (M2), e cinco minutos após silêncio (M3). Testes Spearman, Tukey e Friedman. RESULTADOS: aumento do NPS modal em M2 (com significância) e em M3; aumento de TMF/a/ em M2 e M3. CONCLUSÃO: no grupo pesquisado de mulheres adultas sem queixas vocais ou afecções laríngeas, houve aumento do NPS modal imediatamente após três séries de 15 repetições da técnica de FK, mostrando que a técnica pode influenciar a pressão sonora, a loudness e a projeção vocal.
Highlights
The vocal emission is an extremely common event, which is part of day-to day the majority of people that appearing to be simple, but presents (1) Speech-Language Pathologist; Associate Professor of the Undergraduate Program in Speech Language Pathology and Graduate Program in Human Communication Disorders at Universidade Federal de Santa Maria – UFSM, Santa Maria, Rio Grande do Sul, Brazil; Doctorate in Applied Linguistic from the Pontifícia Universidade Católica do RS – PUCRS
During the sampling, performed 42 voluntary, but among them, one was excluded for being in menstrual period on the day the evaluations, one for being a singer, four of them by presenting laryngeal disease, one for hearing loss and three for not having attended all evaluations
Measures of f0 were performed with the aim of verify if the natural and involuntary modifications of the f0 during the sustained emission of /a/ in this research could influence significantly the sound pressure level (SPL), constituting the intervening variable in the analysis of the effect of Finger kazoo (FK) technique over the modal SPL
Summary
The vocal emission is an extremely common event, which is part of day-to day the majority of people that appearing to be simple, but presents (1) Speech-Language Pathologist; Associate Professor of the Undergraduate Program in Speech Language Pathology and Graduate Program in Human Communication Disorders at Universidade Federal de Santa Maria – UFSM, Santa Maria, Rio Grande do Sul, Brazil; Doctorate in Applied Linguistic from the Pontifícia Universidade Católica do RS – PUCRS. (2) Physiotherapist, Professor of Physical Therapy at the Centro Universitário Franciscano, Rio Grande do Sul, Brazil; Master’s Graduate Program in Human Communication Disorders at Universidade Federal de Santa Maria – UFSM, Santa Maria, Rio Grande do Sul, Brazil; Specialist in Urogynecology, Urology and Women’s Health by the Colégio Brasileiro de Estudos Sistêmicos – CBES. The vocal folds are structures with different biomechanical characteristics and able to assume various forms generating unlimited sound possibilities [1,2]
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