Inclusion Criteria:  positive PCR result post covid (≥12 weeks) patients aged 18 and over  Exclusion Criteria:  Lack of clinical stability Active respiratory infection (for any reason) Any clinical condition that affects the performance of operating procedures. advanced cancer active infectious disease Pregnancy or breastfeeding Osteoarticular pathology that reduces mobility Severe neurological disease (Parkinson's disease, dementia, amyotrophic lateral sclerosis, aphasia, ischemic stroke with significant sequelae) have symptomatic psychiatric illness, hearing or vision impairment Myocardial infarction within 4 months Acute endocarditis / pericarditis Uncontrolled high blood pressure (>180/100 mmHg) Other cardiovascular morbidity that will limit exercise tolerance (heart failure, abnormal blood pressure responses or ST segment depression > 2mm, symptomatic aortic stenosis, complex arrhythmias) acute thromboembolism Patient (≤ 3 months) who recently received upper abdominal or thoracic surgery