Functional Balance Intervention in Multiple Sclerosis

Inclusion criteria: Telephone screening (for Study 1 and 2): * Age group: Adults between 55-80 years of age * Self-reported diagnosis of Multiple Sclerosis * Be on stable disease modifying therapy (DMT) for ≥6 months. * Has not received physical therapy or occupational therapy services for ≥6 months. * Able to stand up from a chair independently with or without use of handrails. * Score between 25-75% on the 12-item Multiple Sclerosis walking scale, which indicates that they have mobility disability or walking dysfunction. * Absence of any other acute or chronic neurological (Stroke, Parkinson's disease), cardiopulmonary, musculoskeletal (injuries like fractures or dislocations or pathologies like Rheumatoid arthritis) or systemic diagnosis, all conditions that except Multiple Sclerosis that can directly impact individual's ability to stand and walk. * Can understand and communicate in English because the protocol will only be delivered in English. * Be willing to complete all aspects of the study protocol (outcome assessments, 4-month training, accelerometer wear, etc.). * Individuals who give a positive response (Yes) to the question of whether the participants feel that their memory or thinking skills worsened lately?" will be marked as potential individuals with mild cognitive impairment. * Must be willing to come to the lab for 2 times a week for four months for training sessions (for Study 1 participants only). * Must have access to the internet and must be willing to…