University of Washington
Offloading Ankle Foot Orthoses (AFOs) are devices designed for people following lower-limb reconstruction to restore mobility by reducing mechanical loading through the injury site and redistributing it proximally. While they perform well for some users, their current form limits full functional potential and may put joints proximal to the injury at risk of long-term damage. This study is directed toward designing and testing a lightweight, variable stiffness, dynamic brace that can adjust in response to user activity.
Inclusion Criteria (Healthy Volunteers): -able to run continuously for 1 minute Inclusion Criteria (All Other Volunteers) * prescribed an offloading Ankle-Foot Orthosis (AFO) for walking/running * Use prescribed offloading AFO at least 20 hours per week * Prescribed AFO strut length of at least 200 mm * Able to run continuously for 1 minute Exclusion Criteria (Healthy Volunteers): * limited sensation in the lower limbs * use an assistive device Exclusion Criteria (All Other Volunteers): * Unable to ambulate (walk/run) continuously with AFO for at least 1 minute * Unable to sit, stand, o…
The Dynamic AFO is able to adjust in stiffness depending on activity.
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