Study of Robot-assisted Arm Therapy for Acute Stroke Patients

Recruiting

Phase 1 Results N/A

Eligibility Criteria

Inclusion criteria Right hemisphere, unilateral ischemic stroke with onset of less than 15 days that results in arm weakness Right-handed 65-84 years of age Manual Muscle Test score of at least 2/5 Must be able to follow 2-3 step commands Head, neck, and trunk control to maintain an upright posture for a minimum of 45 minutes Some synergistic movement at shoulder Active shoulder flexion and/or abduction greater then 30 degrees Active elbow flexion of 45 degrees or more
Exclusion criteria
- Previous stroke history
- Hemorrhagic stroke, cerebellar stroke, or subarachnoid hemorrhage
- Contractures in the involved upper extremity at the shoulder, elbow, or wrist
- Moderate to severe tone in the involved upper extremity
- Flaccid involved upper extremity
- Full, active isolated movement of the involved upper extremity
- Corrected visual acuity worse than 20/50 for distance
- Cognitive or other deficits that would negatively affect their ability to follow directions or track visual targets
- Unstable cardiovascular orthopedic or neurological conditions that would preclude exercise in short-duration, high work-load trials