Inclusion Criteria:  Cerebral vascular accident of hemorrhagic or ischemic origin for more than 72 hours Walking ability ≤ Functional Ambulatory Category level 4 (1-6) Paresis of the lower limb: strength <57/100 on the Motricity Index Cognitive and memory functions allowing the patient to follow treatment instructions and give informed consent  Exclusion Criteria:  Significant heart problem Venous thrombosis less than 6 months Musculoskeletal impairment not compatible with movement Other neurological impairment Oxygen-dependent Blood pressure not stabilized