Relationship between postural cephalic pattern and speech intelligibility
Asociación entre el patrón postural cefálico y la inteligibilidad articulatoria del habla
Carlos Rojas Zepeda; Claudio San Martín Barra; Miguel López Espinoza; Rodolfo Peña Chávez
Abstract
Purpose: the objective of this study was to establish an associative factor that connects the morphology of the skull - cervical system with the articulatory intelligibility level of speech in young subjects.
Methods: cross-sectional study. It considered a sample of 42 university students from a universe of 140, both male and female, without morbid background and of an age range in between 18 and 21 years. Evaluated aspects: a) articulatory intelligibility by the diadochokinetic periodic variation coefficient, b) traditional static postural parameters using the photogrammetric method and c) cephalic postural pattern by lateral cephalometric radiograph.
Results: 36 subjects with adequate intelligibility and 6 having altered intelligibility where cervical antero-posterior skull rotation variable showed statistically noteworthy differences (p=0,009) in between the group with normal intelligibility compared to the group with impaired intelligibility. The linear regression analysis showed that subjects with posterior rotation of head on neck show more variability in the syllabic emission of speech diadochokinetic performance (Sq r lineal = 0,128).
Conclusion: it is established that cephalic position with subsequent posterior rotation of the head on the neck is associated with loss of speech intelligibility in the sample studied.
Keywords
Resumen
Objetivo: el propósito de este estudio fue establecer un factor asociativo que relacione la morfología del sistema cráneo - cervical con el nivel de inteligibilidad articulatoria del habla en sujetos jóvenes.
Métodos: estudio transversal, consideró una muestra de 42 jóvenes universitarios de un universo de 140, ambos sexos, sin antecedentes mórbidos y con un rango de edad entre 18 y 21 años. Se evalúo: a) inteligibilidad articulatoria mediante el coeficiente de variación periódica diadococinética, b) parámetros posturales estáticos tradicionales mediante método fotogramétrico y c) patrón postural cefálico mediante radiografía cefalométrica lateral.
Resultados: se encontraron 36 sujetos con inteligibilidad adecuada y 6 alterada, donde la variable rotación cráneo cervical antero-posterior presentó diferencias estadísticamente significativas (p=0,009) entre el grupo con inteligibilidad normal respecto al grupo con inteligibilidad alterada. El análisis de regresión lineal evidenció que sujetos que presentan rotación posterior de cabeza sobre cuello presentan mayor variabilidad en la emisión silábica del rendimiento diadocinético del habla (Sq r lineal = 0,128).
Conclusión: se establece que la postura cefálica con presencia de rotación posterior de la cabeza sobre el cuello se asocia a la pérdida de inteligibilidad del habla en la muestra estudiada.
Palabras clave
Referências
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Submetido em:
06/05/2016
Aceito em:
29/07/2016
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