Inclusion Criteria:  Cerebral palsy with spastic and mix form  Gross Motor Function Classification System (GMFCS from level II to IV) Age 4 to 18 No contraindications for the training in the Lokomat Able to follow simple instructions  Exclusion Criteria:  On botox injection within the last 6 months (as the effect of botox wear out in 6 months)  Surgery within the last one year Fixed contractures and/or with bone instability Baclofen infusion pumps in situ Seizure disorder that is not controlled by medication (if on medication, must not have had a seizure in the last 12 months); Open skin lesions or vascular disorder of lower extremities; Having participated in another Lokomat training regime within the previous 3months as well as a change in concomitant treatment within the last 4 weeks before or during the study period