NuroSleeve Powered Brace & Stimulation System to Restore Arm Function

Inclusion Criteria:• Must be 4 years or older * Must have weakness in one or both arms such that flexion or extension of the wrist, elbow or shoulder are 3/5 or less on the Manual Muscle Testing Scale * The etiology of weakness is due to a neurological disease or injury or orthopedic condition that occurred 6 or more months ago * Participant is willing to comply with trial instructions * Adult participant is able to provide informed consent prior to enrollment in the study, and for children, child is able to provide assent and designated caregiver (parent or guardian) is able to provide informed consent * The participant is fluent in English and, if the participant were a child, at least one parent/guardian were fluent in English * Medically stable and living at home in the community. * No joint contracture, spasticity or other limitations to range of motion in the affected lower limb(s) precluding the operation of a wearable, powered orthotic device on the arm * Sufficient sitting balance to sit in a chair * No condition (e.g., severe arthritis, central pain) that would interfere with movement of the legs, ability to understand verbal commands and cooperate with test procedures. * No condition that would pose a risk to the application of electrical current to the body (e.g., skin conditions or skin breakdown) Exclusion Criteria:• Visual impairment such that following visually-guided instructions would be challenging even with ordinary corrective lenses * Orthopedic condit…