Inclusion Criteria:  partial-to-full-thickness burns that had spontaneously healed or required skin grafting all patients rated their most severe pain during robot assisted gati training (RAGT) as a score 5 or higher on a visual analog scale of 0 to 10, where 0 represents no pain at all, and 10 represents worst pain. 1 ≤ functional ambulation category (FAC) score ≤ 3  Exclusion Criteria:  patients with history of brain injury cognitive disorders, intellectual impairment before burn injury problems with weight bearing due to unstable fractures body weight ≥100 kg severe fixed contracture skin disorders that could be worsened by RAGT and conventional rehabilitation