Inclusion Criteria:  signed informed consent by the participant or legal representative interval between stroke and first rehabilitation session < 6 weeks (study target within 2 weeks) age > 18 years early modified Rankin scale (mRS) 2 to 4 (pre-stroke mRS 0 to 1) early FAC of 0 to 3 (pre-stroke FAC of 5) standing ability with support up to 3 minutes and vertical tolerance > 15 minutes  Exclusion Criteria:  inability or refusal to sign an informed consent history of stroke or another brain disease (tumour, multiple sclerosis, brain or spinal cord injury) severe internal, oncological, or surgical comorbidity preventing long-term re-habilitation or causing chronic or progressive gait disorder limited collaboration of any reason, moderate or severe dementia assessed by using the Montreal Cognitive Assessment (MoCA) scale impaired skin integrity in the lower torso and limbs preventing the use of Lokomat device limitations given by the Lokomat exoskeleton device (weight > 135 kg, thigh-length 23-35 cm, shank length 35-47cm) limitations given by the leg/lower body exerciser (weight > 180 kg, height < 120 cm or > 200 cm, (sub)acute lower limb fractures, deep vein thrombosis, skin disintegration) any contraindication to perform brain MRI