Table 1.

Outcome measurements

	Start	3 months
Screen	X
Informed consent	X
Respiratory muscle strength	X	X
Inspiratory muscle endurance	X	X
Maximal exercise capacity	X	X
Endurance exercise capacity	X	X
Six-minute walking distance	X	X
Daily physical activity (7 days)	X	X
Pulmonary function	X	X
Quadriceps force	X	X
Handgrip force	X	X
CRDQ	X	X
HADS	X	X

CRDQ, Chronic Respiratory Disease Questionnaire (HRQL); HADS, Hospital Anxiety and Depression Scale.