Ruth Epstein


Validation of the Brazilian Version of the Voice Disability Coping Questionnaire
Journal of Voice (2016) Vol. 30, No. 2, pp. 247.e13-247.e21

Purpose: To perform the validation of the Brazilian version of the Voice Disability Coping Questionnaire (B-VDCQ) using procedures according to the Scientific Advisory Committee of Medical Outcomes Trust and psychometric analyses to determine the scales validity and reliability. In the ...

Electroglottographic Study of Seven Semi-Occluded Exercises: LaxVox, Straw, Lip-Trill, Tongue-Trill, Humming, Hand-Over-Mouth, and Tongue-Trill Combined With Hand-Over-Mouth
Journal of Voice (2014) Vol. 28, No. 5, pp. 589-595

Semi-occluded vocal tract exercises (SOVTE) are often used in voice clinics. SOVTE change the acoustic vocal tract impedance in relation to the glottis impedance, improving voice quality. However, differences among SOVTE, such as the number of vibration sources into the ...

Coping Strategies in Voice Disorders of a Brazilian Population
Journal of Voice (2012) Vol. 26, No. 2, pp. 205-213

The purpose of this research is to explore coping strategies of individuals with and without vocal complaint and to examine relationships between the type of coping and vocal complaint; vocal symptoms; vocal self-assessment; perceptual analysis and states of depression, anxiety, ...

An Investigation of Abdominal Muscle Recruitment for Sustained Phonation in 25 Healthy Singers
Journal of Voice (2012) Vol. 26, No. 6, pp. 815.e9-815.e16

Objectives: The purpose of this study was to investigate the baseline muscle thickness and recruitment patterns of the transversus abdominis muscle (TAM) and the internal oblique muscle (IOM) during semisupine phonation in a group of healthy performers. Study Design: This ...