Introduction Dysfunctional breathing is a breathing patterns that do not correspond to the physiological needs of the body. provoke many poly-systemic symptoms. Dysfunctional breathing is experienced as a feeling of “difficulty in breathing”. which in the conditions of the COVID-19 pandemic may be similar to the symptoms of coronavirus infection (Taverne et al. https://ashleyshomestores.shop/product-category/twin-bookcase-headboard/