Magnesium Chloride Versus Placebo in Patients Who Have Had a Stroke

Inclusion Criteria: 1. Subjects of either sex above 18 years of age 2. Documented history of stroke 3 months to four years ago 3. Subjects may have had two or more strokes 4. Must have residual muscle weakness with a 25% or greater difference in strength between the right and left sides of the body 5. Must be assessed as a 2 or 3 on the Modified Rankin Scale 6. Must have a Barthel score at or below 85 Exclusion Criteria: 1. Any traumatic brain injury or other brain injury apart from stroke 2. Renal insufficiency or renal failure 3. Any medical or physical condition that would interfere with the measurements to be conducted 4. Any physical therapy in a facility outside their home within three days of screening