Table 2.

Measurements

T0 (baseline testing)	T1 (midpoint testing, after 6 weeks)	T2 (endpoint testing)	T3 (3-month follow-up)
Venous blood sampling	Venous blood sampling	Idem T0	Idem T0
Bioimpedance analysis
Echocardiography
Cardiopulmonary exercise test
Maximal strength test
Resting ECG (48 hours)
Resting blood pressure and arteriography
Panoramic ultrasound of vastus lateralis and rectus femoris
Questionnaires (SF-36, IBL-VF, PSQI)

IBL-VF, Questionnaire on the burden and quality of life in patients with atrial fibrilation; PSQI, Pittsburgh Sleep Quality Index; SF-36, 36-item Short Form Health Survey.