Figure 1. Flowchart of the assessment procedures and respiratory mechanics parameters obtained during the intervention protocol.

CFCS: Cystic Fibrosis Clinical Score; CFFS: Cystic Fibrosis Foundation Score; IOS: Impulse Oscillometry System; FET: forced expiration technique; DBE: Diaphragmatic Breathing Exercise; Medical Records: genetic mutation consultation, colonization data, spirometry, and most recent sputum culture results; IOS1: three basal IOS maneuvers; IOS2: one post-huff IOS maneuver; IOS3: one post-DBE IOS maneuver.