Hi Maxine, It might be helpful to know more about your problem setup, for example what joints you are seeing the spiking at and what changes to the foot model you have implemented. Additionally, since your inverse pipeline seems to be working it is likely not this, but have you ensured that your GRF...

Hi Noa, OpenSim model files (.osim) are usually project specific. If you check out any of the example problems online you should find various different models are used in each of the different workflows/directories. There is also a nice download of a number of models and example problem files here: ...

Hi Madison, As you go through removing and changing parts of the tracking problem it can be difficult to get steady consistent results, so you are not alone in that. Based on your description and a quick look through your code, it seems like you might be running into issues of what you are constrain...