I want to know that where does the data in the model come from? Like the mass and mass center of pelvis, especially mass center.

When I editing the .osim file, I find that there is a "pat_angle" in ConstrainSet, can anyone tell me what does this mean?

Thank you very much

Hello, guys. I want to design a motion file to simulate stair climbing. I find that some .mot files consist of bone coordinate, joint angle and fiber length; So if I want to create a .mot file, the only solution is measuring these by doing a lab and then transfer the c3d file to mot file, is that ri...

Hello, I want to know how to develop a new model,can somebody tell me something about this