simtk.org

Hi,

We will have gait analysis for the children with cerebral palsy with OpenCap, but we find that the children with crouch gait fail to have an ideal calibration perspective because they can't straighten their legs. Is standing with assistive devices, such as knee-ankle-foot orthosis, a good method to solve this problem? I would appreciate it if you could give me some other solutions.

Another similar problem is about kinematics and posture calibration for CP children with toe walking. These patients can stand with straight legs in the knee, but the ankle is over-extended. Can they stand independently in the posture calibration with ankle-foot orthosis (AFO)? I am sure whether AFO will influence the kinematics or not in both posture calibration calibration and gait tests.

Best regards,
Xiaoxia

Hi Xiaoxia,

You could re-process the data locally while removing the coordinate tracking tasks in the Scaling Setup file (e.g., https://github.com/stanfordnmbl/opencap ... A.xml#L640). This will allow you to scale a model in any posture. This is a common request, so we may make this available in the web application at some point.

As a reminder, OpenCap is for academic research only (see our Terms and Conditions). If you intend to use it in the clinic as a part of patient care, please contact admin@opencap.ai to purchase a license.

Best,
Scott