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Fig. 4 | BMC Pulmonary Medicine

Fig. 4

From: Effects of treadmill exercise versus Flutter® on respiratory flow and sputum properties in adults with cystic fibrosis: a randomised, controlled, cross-over trial

Fig. 4

Change in sputum mechanical impedance (G* vector sum of sputum viscosity and elasticity) at (a) 1 rad/s and (b) 100 rad/s. Measured pre to post intervention (post + 0) and pre to post recovery (post + 20). A negative change represents an improvement in sputum mechanical impedance. Results are group mean and SE for the control (white), treadmill exercise (black) and Flutter® therapy (diagonal lines) interventions. *p < 0.03

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