Effect of Pursed-Lip Breathing With Different I:E Ratios on Respiratory Outcomes in COPD Patients
The goal of this clinical trial is to evaluate whether different inspiratory-expiratory (I:E) ratios in the pursed-lip breathing (PLB) technique can improve res…
Location not specified122 participantsStarted 2026-05-04
Treatment: Participants perform PLB with inspiratory-expiratory ratio 1:3 (2 seconds inspiration, 6 seconds expiration), Participants perform PLB with inspiratory-expiratory ratio 1:4 (2 seconds inspiration, 8 seconds expiration)