Exoskeleton Robotic Assisted Gait Training in Spastic Stroke Post Botulinum Toxin A Injection

Inclusion Criteria: * Ischemic or hemorrhagic stroke ≥ 3 months * Age ≥ 20 years * Functional Ambulation Category ≥4 * Affected rectus femoris spasticity (MAS between 1+ and 2) * BoNT-A treatment-naive or treated with BoNT-A ≥4 months in the affected leg before recruitment * Receiving oral muscle relaxants or other medication for spasticity were on a stable dose for≥2 months * Can obey simple order Exclusion Criteria: * Pregnant * Sensitivity to BoNT-A * Infection of the skin, soft tissue in the injection area * Participation in other trials * Fixed contractures or bony deformities in the affected leg * Previous treatment of the affected leg with neurolytic or surgical procedures (i.e., phenol block, tendon lengthening of transfer, tenotomy, muscle release, arthrodesis) * Severe cardiovascular comorbidity (i.e., recent myocardial infarction, heart failure, uncontrolled hypertension, orthostatic hypotension)