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KMID : 1036820190240010244
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Communication Sciences & Disorders
2019 Volume.24 No. 1 p.244 ~ p.260
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A Case Study of the Effects of Respiration Trainers on Vocal Aerobic Treatment Program
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Kang Han-Eul
Yoo Jea-Yeon
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Abstract
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Objectives: The purpose of this study was to investigate the effect of respiration trainers on voice enhancement during a vocal aerobic treatment (VAT) program developed for holistic voice therapy.
Methods: This study consisted of four patients (3 females and 1 male) diagnosed with hyperfunctional dysphonia. The program involved activities including relaxation, breathing, and phonation exercises, as well as a speaking stage. In order to examine the degree of voice improvement, the changes in the acoustic and aerodynamic parameters were compared pre and post intervention. Voice questionnaires and an auditory evaluation were also evaluated using a pre-post process.
Results: As a result of this program, each of the subject’s pitch and speaking fundamental pitch increased overall. The pitch range was widened, and their voice quality improved based on the reduced values of their acoustic parameters. In addition, the aerodynamic parameters and breathing ability of the subjects improved. The Voice Handicap Index of the subjects decreased and their Korean-Voice Related Quality of Life increased. Moreover, their voice satisfaction also improved. The subjects were more comfortable and projected a softer voice. The overall auditory voice improved.
Conclusion: The VAT program using respiration trainers was found to be effective in improving the voice of subjects with hyperfunctional dysphonia, and therefore it can be considered a useful program in the voice therapy field. In the future, if the program is applied to a large sample of heterogeneous subjects, more useful information for voice therapy can be obtained.
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KEYWORD
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Respiration trainer, Vocal aerobic treatment (VAT) program, Voice therapy, Hyperfunctional dysphonia
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