Inclusion Criteria:  >17 years old written informed consent chronic end-stage systolic heart failure without ventricular assist device, LVEF ≤ 45% OR chronic advanced pulmonary diseases clinically stable for at least 6 weeks ability to mobilize into standing and walking of at least 10 meters with or without rollator ability to get up from a chair without rotating the upper body >45° sagittally  Exclusion Criteria:  addictions or other illnesses that impact the ability to understand the nature, scope and consequences of the trial lack of knowledge of German to fully understand study information pregnancy, pre-menopausal women contraindications of cardiopulmonary exercising BMI > 35 kg/m², waist size > 135 cm. Height <150 cm, >195 cm Weight<45 kg, >110 kg Functional Reach Test <15,24 cm Flexion contracture in the knee/hip joint >10° Chronic colonization or active infection with multi-resistant pathogens