Innovative Biofeedback Interface for Enhancing Stroke Gait Rehabilitation

Inclusion Criteria for Post-Stroke Participants: * age 30 to 90 years * chronic stroke (\>6 months post stroke) affecting the right leg * ambulatory with or without the use of a cane or walker * able to walk for 2 minutes at the self-selected speed without an orthoses * resting heart rate 40-100 beats per minute Exclusion Criteria for Post-Stroke Participants: * cerebellar signs (ataxic ("drunken") gait or decreased coordination during rapid alternating hand or foot movements) * history of lower extremity joint replacement * inability to communicate with investigators * neglect/hemianopia, or unexplained dizziness in last 6 months * neurologic conditions other than stroke * orthopedic problems in the lower limbs or spine (or other medical conditions) that limit walking or cause pain during walking Inclusion Criteria for Able-bodied Participants: * age 18 to 90 years * no history of neurologic disease * no history of orthopedic disease or injury affecting the lower extremity Exclusion Criteria for Able-bodied Participants: * history of neurologic disease * history of orthopedic disease or injury to the lower extremity in the past 6 months * pain or discomfort during walking * cardiovascular or medical condition affecting ability to exercise or walk