Inclusion Criteria:  Greater than 18 years old (no upper age limit) Physician diagnosed MS (As stated in Rooney S, et al. Disabil Rehabil. 2019, stage of MS did not impact individuals from making neuromuscular or functional gains. All stages of MS will be eligible) Physician clearance to participate Unable to ambulate more than 70 feet at a time and unable to ambulate outside the home, with use of manual chair or power chair as mobility source >= 50% of the time. BLE MMT in hips, knees and ankles <=3/5 Modified Ashworth assessed spasticity levels 1-4  Exclusion Criteria:  Co-morbidities in cardiovascular disease (myocardial infarction in past 1-year, unstable angina, CHF, h/o arrythmia, h/o CVA or TIA in past year, uncontrolled hypertension) History of epileptic seizures Lower Motor Neuron disease Existing pacemaker, defibrillator or other implanted device (other than baclofen pump) Unstable long bone fractures of lower limb or trunk Allergies to surface electrodes or conductive gel Pregnancy or actively seeking to become pregnant