<br>        Inclusion Criteria:<br><br>          -  patients with spinal cord injury (SCI) categorized according to the standard<br>             classification of the American Spinal Injury Association as ASIA B or C within the<br>             first two weeks after trauma<br><br>          -  traumatic etiology of SCI<br><br>          -  limited walking ability (Walking Index for Spinal Cord Injury =5)<br><br>          -  able to start training or rehab within 60 days after trauma<br><br>          -  motor level between cervical 4 and thoracic 12<br><br>          -  signed informed consent<br><br>        Exclusion Criteria:<br><br>          -  exclusion criteria of the Lokomat:(bodyweight > 130kg, body height > 200cm, leg<br>             length diff > 2cm, osteoporosis, instable fracture of lower extremity, restricted<br>             range of motion, decubitus ulcer of lower extremity)<br><br>          -  concomitant injury limiting walking ability (e.g. lower extremity fractures, instable<br>             spine fractures, Joint instability preventing weight-bearing, severe soft tissue<br>             lesion)<br><br>          -  pre-existing medical conditions interfering with unrestricted walking (e.g. total<br>             joint replacement, pain, osteoarthritis, polyneuropathy, cardiopulmonary disease)<br><br>          -  age older than 65 years or younger than 18 years<br><br>          -  conus medullaris or cauda equina syndrome<br><br>          -  traumatic brain injury<br><br>          -  passive range of motion of the hips, knees and ankles not sufficient to allow normal<br>             kinematics consistent with upright gait<br><br>          -  patient participates in other rehabilitation or pharmacological study<br>      ;<br>        Inclusion Criteria:<br><br>          -  patients with spinal cord injury (SCI) categorized according to the standard<br>             classification of the American Spinal Injury Association as ASIA B or C within the<br>             first two weeks after trauma<br><br>          -  traumatic etiology of SCI<br><br>          -  limited walking ability (Walking Index for Spinal Cord Injury =5)<br><br>          -  able to start training or rehab within 60 days after trauma<br><br>          -  motor level between cervical 4 and thoracic 12<br><br>          -  signed informed consent<br><br>        Exclusion Criteria:<br><br>          -  exclusion criteria of the Lokomat:(bodyweight > 130kg, body height > 200cm, leg<br>             length diff > 2cm, osteoporosis, instable fracture of lower extremity, restricted<br>             range of motion, decubitus ulcer of lower extremity)<br><br>          -  concomitant injury limiting walking ability (e.g. lower extremity fractures, instable<br>             spine fractures, Joint instability preventing weight-bearing, severe soft tissue<br>             lesion)<br><br>          -  pre-existing medical conditions interfering with unrestricted walking (e.g. total<br>             joint replacement, pain, osteoarthritis, polyneuropathy, cardiopulmonary disease)<br><br>          -  age older than 65 years or younger than 18 years<br><br>          -  conus medullaris or cauda equina syndrome<br><br>          -  traumatic brain injury<br><br>          -  passive range of motion of the hips, knees and ankles not sufficient to allow normal<br>             kinematics consistent with upright gait<br><br>          -  patient participates in other rehabilitation or pharmacological study<br>