Spinal Stimulation and Gait Training to Improve Mobility in TBI

Inclusion Criteria: * Have weakness on at least one side of my body. * No injury to my unaffected side in 6 months. * Be cleared by a physician to participate in this study. * Have had a non-penetrating TBI at least 2 years ago. A non-penetrating injury is an injury where my skull remained closed and no object entered it. * Have enough strength to use a hemiwalker or walker. * Be between 18-65 years of age. * Be medically stable for at least 6 months before enrolling. This means that I have not had an emergency room visit, hospitalization, or medical procedure (such as a surgery) during this period of time. * Able to walk 10 yards with minimal assistance without an ankle-foot orthosis (brace) * Able to respond to and tolerate surface stimulation, as determined by study staff * Have the ability to communicate in English. * Have stable blood pressure. * Be willing and able to give informed consent. * Be able and willing to comply with study procedures, verbal instructions, and follow-up requirements. Exclusion Criteria: * Have must have not had physical or occupational therapy or treatment for a balance disorder within 30 days prior to study enrollment. I must not participate in physical or occupation therapy throughout the duration of the study to avoid affecting the study results. * Have any medical issues that affect my unaffected side (such arthritis, fracture, etc.). * Have skin issues that would prevent me from being able to use the surface stimulation (such as a open …