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The previous pilot study showed that two weeks of intensive expiratory muscle strength training (EMST) coupled with SpiroGym were sufficient to significantly improve the participants' voluntary peak cough flow (PCF). The improvement was quantitatively comparable to the results of other intensive EMST studies with longer durations. When interpreting such rapid improvement, the impact of SpiroGym's visual feedback was considered. It was assumed that visual feedback increased training effort compared to regular training without immediate control.
The aim of this study is to evaluate the effect of visual feedback provided by the SpiroGym mobile application on performance during expiratory muscle strength training in patients with Parkinson's disease.
Full description
The study will be conducted as a prospective crossover experimental design. Patients with Parkinson's disease will complete two EMST sessions (at 75% of maximum expiratory pressure), separated by a two-week period. One EMST session will include feedback via the SpiroGym mobile application, while the other will be conducted without such feedback. The order of these conditions will be randomly assigned.
Primary hypothesis
Visual feedback provided by the SpiroGym application during expiratory training will result in higher muscle activation, as measured by surface electromyography (sEMG), compared to training without visual feedback.
Secondary hypothesis
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30 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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