Dorsal Root Ganglion Stimulation After Lower Motor Neuron Damage

Inclusion Criteria: * Traumatic and non-traumatic spinal cord injury (SCI) * ASIA Impairment Scale (AIS) A-D * SCI below the tenth thoracic vertebral level * Greater than 1 year post-SCI * Intact spinal reflexes at or below injury level in 1 or more muscles Exclusion Criteria: * Currently a prison inmate, or awaiting trial, related to criminal activity * Pregnancy at the time of screening for trial enrollment * Active, untreated urinary tract infection * Unhealed decubitus ulcer * Unhealed skeletal fracture * Spinal abnormality that may impede percutaneous implantation of spinal electrodes * Untreated clinical diagnosis of psychiatric disorder * Joint contractures that impede typical range of motion * Non-MRI-compatible implanted medical devices * Other implanted stimulation devices (e.g., deep brain stimulator, cardiac pacemaker, diaphragmatic pacer, etc.) * Active participation in an interventional clinical trial which, based on the research team's assessment, may compromise protocol compliance, safety, and/or validity of data collected during this study * History of clinically diagnosed cardiopulmonary disorder, such as severe orthostatic hypotension, which may impede participation in rehabilitation activities such as changes in body position such as supine-to-sit-to-stand activities, prolonged standing, or stepping * History of frequent and/or severe autonomic dysreflexia * History of seizure disorder * Any illness or condition which, based on the research team's asses…