Improving Mobility and Reducing Fatigue in People With Multiple Sclerosis by Electrical Stimulation Therapy

Inclusion Criteria: * Able to read, write, and speak English to ensure safe participation in the project * Clinical diagnosis of multiple sclerosis * Mild-to-moderate level of disability * On stable doses of symptom-treating medications * No MS exacerbations within the last 30 day * Healthy enough to complete the protocol as indicated by the absence of a medical diagnosis or condition that is considered to be an absolute or relative contraindication to participating in tests that involve electrical nerve stimulation (e.g., not implanted devices or internal metal) * Able to arrange own transportation to Boulder campus Exclusion Criteria: * Documented MS-related relapse within the last 30 days * Medical diagnosis or condition that is considered to be a contraindication to participating in the intervention, such as major renal, pulmonary, hepatic, cardiac, gastrointestinal, HIV, cancer (other than basal cell cancer), other neurological disorders, or pregnancy. * Vestibular disorder * Musculoskeletal disorder * History of seizure disorders * \>2 alcoholic drinks/day,or present history (last 6 months) of drug abuse * Spasticity that requires the individual to change an activity more than once a week * Skin disease or sensation problems in the legs or hands that influence some activities more than once a week * Claustrophobia * Metallic implants * Inability to attend treatment sessions 3 days per week for 6 weeks