The Effect of Electrical Stimulation on Impairment of the Painful Post-Stroke Shoulder

Inclusion Criteria: * at least 3 months post-stroke * worst shoulder pain in the last week at least 4 on the 0-10 numerical rating scale, * adequate cognitive ability to be able to rate their pain in the past week Exclusion Criteria: * history of tachyarrhythmia with decreased blood pressure * uncontrolled seizures (defined as more than one per month) * an implanted electrical device * uncompensated hemi-neglect