Gait Recovery in Patients After Acute Ischemic Stroke

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