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.