This visit will include the test data for patients diagnosed with COPD, which includes: "history: on the scale of MRC Dyspnoea score" "physical examination: weight, height, body mass index, brachial perimeter crease triceps and quadriceps strength " X-ray of thorax and electrocardiogram respiratory function tests (spirometry, Lung volumes, transfer to CO, maximum respiratory pressure and blood gas capacity) maximum questionnaire of quality of life-related lower-limb exercise test with the Health: CRQ (self-administered version), and SF-36 test of 6 minutes 6 minutes walking test with assessment of breathlessness to the effort using the Borg scale at the beginning and at the end of six minutes the BODE index calculation test