Smart Ankle-Foot Orthosis to Improve Stroke Outcomes: Smart AFO

Inclusion Criteria: * Age 18 years or older * Mass less than 90 kg (200 lbs) * At least six months post-stroke * Hemiplegia or hemiparesis as a result of stroke * Foot drop during swing phase (often identified by a toe catch), on at least one side * Current user of an AFO * Current user of an AFO with a Triple Action Joint is acceptable * Has bilateral passive ankle range of motion within normal limits * Able to walk safely on level ground for at least 100 feet without rest * Able to communicate individual perceptions in the English language * Able to provide written informed consent * Participants that will use a treadmill during data collection must also be able to walk independently and safely on an instrumented treadmill Exclusion Criteria: * Confounding injury, musculoskeletal issues, or cognitive issues that limit effective participation * Pregnancy * Not able to read and understand English * Use of assistive device that requires bilateral upper extremities