- 作者：Fernanda dos Santos Pascotini&lowast ; ; fepascotini@hotmail.com" class="auth_mail" title="E-mail the corresponding author ; Vanessa Veis Ribeiro&lowast ; ; Mara Keli Christmann&lowast ; ; Lidia Lis Tomasi&dagger ; ; Amanda Alves Dellazzana&dagger ; ; Leris Salete Bonfanti Haeffner&lowast ; ; Carla Aparecida Cielo&lowast ;
- 关键词：Obesity ; Breath ; Muscle strength ; Voice
- 刊名：Journal of Voice
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：30
- 期：1
- 页码：30-35
- 全文大小：147 K
Study Design
This is a cross-sectional study.
Methods
Eighty-two school children aged between 8 and 10 years, grouped by nutritional states (eutrophic, overweight, or obese) and AC percentile (≤25, 25–75, and ≥75), were included in the study. Evaluations of maximal inspiratory pressure (IPmax) and maximal expiratory pressure (EPmax) were conducted using the manometer and SP and acoustic parameters through the Multi-Dimensional Voice Program Advanced (KayPENTAX, Montvale, New Jersey).
Results
There were significant differences (P < 0.05) in the EPmax of children with AC between the 25th and 75th percentiles (72.4) and those less than or equal to the 25th percentile (61.9) and in the SP of those greater than or equal to the 75th percentile (73.4) and less than or equal to the 25th percentile (66.6). The IPmax, EPmax, SP levels, and acoustic variables were not different in relation to the nutritional states of the children. There was a strong and positive correlation between the coefficient of amplitude perturbations (shimmer), the harmonics-to-noise ratio and the variation of the fundamental frequency, respectively, 0.79 and 0.71.
Conclusions
RMS and acoustic voice characteristics in children do not appear to be influenced by nutritional states, and respiratory pressure does not interfere with acoustic voice characteristics. However, localized fat, represented by the AC, alters the EPmax and the SP, each of which increases as the AC increases.