Inclusion Criteria:  Ischemic stroke detected on magnetic resonance imaging (MRI) with NIHSS score 1-12 points at the time of enrolment Lower limb movement impairment with a score of at least 1 point on the NIH Stroke Scale (NIHSS) at the time of enrolment Dependency in walking according to Functional Ambulatory Category (FAC) with score interval <1,3> (supervision or assistance, or both, must be given in performing walking)  Exclusion Criteria:  Previous history of any stroke, either ischemic or hemorrhagic Other diseases modifying or limiting walking ability, currently receiving rehabilitation or participation in another study Significant/symptomatic ischemic heart disease or significant/symptomatic peripheral arterial disease Obesity (BMI ≥ 40), or weight higher than 110 kg (weight limit for the robot-assisted gait training) Sensory aphasia with the inability to understand having been verified by a certified speech therapist. Moderate or severe depression present at the time of enrolment assessed using the Beck scale, with a score above 10. Known cognitive impairment Previous disability or dependence in the daily activities assessed using the modified Rankin Scale with a score of 3 and more points Currently receiving dialysis Diagnosed and/or receiving treatment for cancer Presence of other orthopedic or neurological conditions affecting the lower extremities For fMRI: Pregnancy; electronic implants, including cochlear implant, pacemaker, neurostimulator; incompatible metallic implants, including aneurysm clip; metallic intraocular foreign body; large tattoos; unremovable piercing; body weight over 150 kg; known claustrophobia