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- To ensure that the marker names between the model and data match, for “OpenSim Model and Markerset”, choose Custom OpenSim Model, Custom Markerset in the dropdown menu.
- A new box should appear to the right of the dropdown menu. Upload your new model file that is the generic model file with all experimental markers added to the model.
- Provide the height (1.829 m) and weight (85.0668 kg) for the subject.
- Under “Subject Tags”, select Healthy Subject.
- Load the trimmed marker data: Drag and drop the experimental motion capture data (e.g., ExpData/motion_capture_walk_trimmed.trc)
- Load the trimmed GRF data: For the new trial (named “motion_capture_walk”), click the block and select the GRF data (e.g., ExpData/grf_walk_trimmed.mot).
- Under “Trial Tags”, select Walking.
- By default, AddBiomechanics will only perform the Scale and Inverse Kinematics step. Inverse Dynamics is an optional step.
- To compute Inverse Dynamics moments, scroll to the bottom of the page and expand “Show Advanced Options”.
- Check the box Experimental - Attempt to Fit Dynamics.
- There will now be a new box towards the top of the page named “Foot Body Names in Custom OpenSim Model”. Select the same bodies as those chosen in the Inverse Dynamics setup before (calcn_r and calcn_l).
- At the top of the page, select to Process and Share the data. The app will ask if you want to share the data. Select OK.
- Processing could take a few minutes or longer. Once the result are processed, the webpage for the subject will note that the Status is Processed. You will also receive an email when the results are processed.
- Download the results by clicking Download OpenSim Results.
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