From: Effects of treadmill exercise versus Flutter® on respiratory flow and sputum properties in adults with cystic fibrosis: a randomised, controlled, cross-over trial
Coughs during intervention
Coughs during recovery
Control
2 (0–5)
1 (0–3)
Treadmill
4* (1–9)
2 (1–5)
Flutter® therapy
24* (18–34)
2 (1–4)