Improving Walking After Spinal Cord Injury

Inclusion Criteria: * History of traumatic or non-traumatic SCI ≥ 6 months * International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) level at and above T10. * American Spinal Injury Association AIS Grade C, or D * Weakness in ankle dorsiflexors (LEMS\<=3) with the ability to perform a small voluntary ankle dorsiflexion (as detected by presence of voluntary EMG activity in the tibialis anterior) with at least one leg. * Ability to tolerate standing position. * Ability to walk at a minimum speed of 0.1 mile/hour on a treadmill with less than 70% body weight support. * Requires use of assistive devices (KAFO, AFO, cane, walker) or body weight support for ambulation. * Ability to complete the 10-Meter Walk Test. Exclusion Criteria: * Preceding uncontrolled medical conditions including pulmonary, cardiovascular or orthopedic disease that interfere with physical performance. * Intolerance to physical activity. * Severe cognitive impairment that precludes the ability to participate in any of the study procedures or give verbal consent. * Any illness or condition that based on the research team's assessment, will compromise with the patient's ability to comply with the protocol, patient safety, or the validity of the data collected during the study. * History of stroke resulting in sensory motor deficits. * Pregnant women. * Participation in a high-intensity locomotor training program in the last 6 months. * Inability to detect somatosensory evoked …