Inclusion Criteria:  Patients undergoing elective, minimal invasive surgery with intention to cure. Age between 18 and 80 years. ECOG 0 - 2 post-surgery.  Exclusion Criteria:  Patients with chronic pain Previous pulmonary surgery  Comorbidity limiting rehabilitation  Rheumatoid arthritis Severe ischaemic heart disease or myocardial failure; EF ≤ 35 %. Muscle disease Fibromyalgia Neurologic disorders (Parkinson disease, CVA and lesions of the spinal cord) Psychiatric disorders