COPD Online Rehabilitation (CORe)

International and national publications emphasize that COPD rehabilitation is a key cornerstone in the standard treatment of COPD, based on more than 15 years of research in COPD rehabilitation. COPD rehabilitation improves quality of life, anxiety and depression and physical function. COPD rehabilitation including special physical training, patient-directed education and smoking cessation is core rehabilitation elements, which today are recommended as mandatory content in standard COPD rehabilitation. Standard COPD rehabilitation is an established offer in all regions and municipalities in Denmark. It is however a well-known challenge, that persons with the most severe COPD symptoms and co-morbidities are most likely not to receive COPD rehabilitation. Frequent exacerbations, socially isolation, transport distance to rehabilitation are main reasons why people with severe COPD disease deliberately chooses not to receive COPD rehabilitation. Why there at present are no rehabilitation alternatives for patients with the most severe COPD symptoms, supervised COPD Online rehabilitation in groups, delivered by health professionals in the COPD patients' own home via a computer screen could likely encourage more people to participate. The number of RCT's investigating the effect of supervised Online delivered COPD rehabilitation in groups versus established COPD rehabilitation are very limited. The purpose of this randomized study is to investigate the short-term and long-term efficacy of 10 weeks of online COPD rehabilitation versus conventional supervised COPD rehabilitation in people with severe and very severe COPD. The outcome of the intervention is measured on walking distance, muscle endurance, activity level, quality of life and COPD symptoms respectively. Outcomes are measures before intervention start, end of intervention. This study also collects follow-up update after 3, 6 and 12 month. The follow-up data will be in separate publication. Hypothesis 1. COPD o