Stroke patients who have had shoulder pain for at least 3 months (pain score of at least 4 for shoulder pain in the last week, with shoulder subluxation); have a relative or friend who is available to help with daily set-up; who are willing to report pain and other conditions throughout the 9-month study period; who are willing to have an MRI done on the affected shoulder.
Need to take > 1 type of narcotic or > 1 type of non-narcotic pain medication for shoulder pain. Regular intake of pain medication for any other chronic pain. Any type of injection in shoulder joint within last 6 weeks. Need to receive other therapies for shoulder pain. Non-stroke-related shoulder pathology. Rotator cuff tear. Hemineglect. Reflex sympathetic dystrophy. Bleeding disorder. Cardiac pacemaker or implanted neurostimulator. Implanted ferromagnetic metal (related to MRI procedure). Claustrophobic (related to MRI procedure). Prosthetic valve or valvular heart disease requiring antibiotic prophylaxis. History of arrythmia with hemodynamic instability Uncontrolled seizures ( > 1 episode per month). Pregnancy. Medical instability. Cognitive deficits.