Safety and Feasibility of an ExoNET for Supination Assistance for Stroke Survivors

Inclusion Criteria

• Between the ages of 40-70 (to reduce confounding effects of aging on muscle, movement accuracy and proprioception)
• Have sustained a single, unilateral stroke at least 8 months prior to enrollment
• Severe to moderate upper extremity impairment (ARAT score 0-30)
• Ability to move their elbow and wrist when supported against gravity
• Cortical stroke with hemiparesis, tactile sensation
• Available medical records about lesion locations indicating the stroke was caused by a middle cerebral artery ischemic infarct

Exclusion Criteria

• Bilateral paresis
• Diffuse/multiple lesion sites or multiple stroke events
• Hemispatial neglect or visual field cut that prevent visual feedback
• Shoulder pain and/or articular rigidity on the upper limb joint
• Severe sensory deficits indicated by the Two-Point Discrimination Test
• Botox injection to the affected upper extremity within the previous 4 months
• Aphasia, cognitive impairment, or affective dysfunction that would influence the ability to consent, perform the experiment, or follow commands
• Concurrent participation in upper extremity rehabilitation either as part of a research intervention protocol or a prescribed therapy
• Other neurological issues
• Meet any of the contraindications to Delsys Trigno Sensors:

• Implanted with electronic devices of any kind, including cardiac pace-makers or similar assistive devices, electronic induction pumps, and implanted stimulators
• Irritated skin or open wounds
• Silver allergy