1. Subjects are not ambulatory,

2. Subjects rely on a wheelchair,

3. Subjects cannot ambulate 100m (EDDS 6 or greater) without use of assistive devices, braces, or orthotics,

4. Walk the T25FW in less than five seconds,

5. Have lower extremity spasticity of 2 or greater on the Modified Ashworth Scale (MAS),

6. Have pain or other conditions that limit ambulation or ability to test muscle strength,

7. Cannot give consent,

8. Cannot follow simple directions,

9. Have had an exacerbation in the past month,

10. Have had changes to their drug therapy in the last month,

11. Have other neurologic diagnoses, or

12. Are currently undergoing physical therapy for strength training.

Strength Training to Improve Gait in People With Multiple Sclerosis