Lung Boost Training Effect on Ventilatory Functions in Choral Singers: A Randomized Controlled Trial

Rasha M. El-Marakby, Awny F. Rahmy, Mohamed M. El Batanoni, Nesreen G. El-Nahas

Rasha M. El-Marakby, Awny F. Rahmy, Mohamed M. El Batanoni, Nesreen G. El-Nahas – Lung Boost Training Effect on Ventilatory Functions in Choral Singers: A Randomized Controlled Trial. Fizjoterapia Polska 2021; 21(3); 144-149

Abstract
Background and Purpose. Despite the well-known benefits of Breathing Exercise on ventilatory functions in singers, none of the former studies had evaluated the impact of Lung Boost on ventilatory functions in choral singers. Therefore, the aim of this study was to conduct the effect of lung boost as a respiratory muscle trainer on selected ventilatory function in choral singers.  Materials and Methods. Sixty subjects of both sexes 36 female and 24 male with age ranged from 10-20 years old participated in this study in two groups A and B chosen from Qasr Al-Thaqafa in Fayoum city, all of them received traditional exercise program which includes deep breathing exercise in form of diaphragmatic, nose breathing exercises and exercise with respiration using upper limbs; thirty subjects in group A received respiratory muscle training by Lung Boost plus the traditional exercise program for 10 weeks 3 sessions per week. Ventilatory functions were measured (Forced Expiratory Volume in one second (FEV1), Forced Expiratory Volume in six second (FEV6), ratio of FEV1/FEV6 and Maximal Voluntary Ventilation (MVV)) at the beginning of the study and after 10 weeks.  Results. Comparing both groups percent of change revealed that there were statistically significant increases in FEV1, FEV6, FEV1/FEV6, MVV (p < 0.05) in favour of group (A).  Conclusion. The conjugation of lung Boost with traditional chest physical therapy program improved the ventilatory functions in choral singers.
Key words:
Choral singers, Ventilatory functions, Lung Boost
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