Improving Walking After a Lower Limb Injury Using a Custom Motorized Orthosis

Inclusion Criteria: * Have a lower limb injury greater than a year ago. * Be 18-80 years old. * Be able to stand for 30 minutes. * Have enough range of motion in my ankle to comfortably wear the AFO. * Be able to follow directions and commands. * Be willing and able to give informed consent. * Be able and willing to comply with study procedures, verbal instructions, and follow-up requirements. Exclusion Criteria: * Have any joint or muscle tightness that would limit my movement while walking with the AFO. * Have any medical issue that prevents me from supporting my weight and walking (e.g. orthopedic injuries, pain, severe spasticity). * Have any medical issues that affect my unaffected side. * Have skin issues that would prevent wearing the device. * Have a pre-existing condition that caused exercise intolerance. (Documented uncontrolled hypertension, coronary artery disease, abnormal heart rate or rhythm, or congestive heart failure). * Have been hospitalized for heart attack, heart surgery or acute heart failure within 3 months of enrollment in study. * Have nervous system issues that affect my movement (for example Parkinson's disease, multiple sclerosis). * Have additional orthopedic issues that interfere with my walking or limit my range of motion in my legs. * Have any other medical conditions that my doctor or physical therapist feels would affect my ability to use the device.