This study focused on the effects of respiratory muscle training on COVID-19 survivors experiencing persistent symptoms post-discharge. It compared two groups: one underwent respiratory training while the control did not. Results showed significant improvement in symptoms and pulmonary functions, such as dry cough, dyspnea, chest pain, fatigue, and oxygen saturation, in the training group. However, no significant changes were observed in maximal inspiratory and expiratory pressures. The conclusion suggests that short-term respiratory muscle training can notably enhance persistent symptoms and exercise tolerance in post-COVID-19 patients.
source: https://pubmed.ncbi.nlm.nih.gov/38282784/