Hi, I use forward dynamics simulation for a homework assignment in my class. I can't figure out how to set excitations in forward dynamics in the mac version. Control and left click does not work as it does on the PC version. I have tried many other options. Silly question - how do I change excitati...

I am using the .trc in the Inverse Kinematics folder of OpenSim 4.0: arm26_elbow_flex.trc. It loads kinematics, but not the full 90deg flexion that it should. It hardly moves in my model (OpenSim 4.0 on mac and pc). If I load the model from OpenSim 3.3 into OpenSim 4.0 it works with full 90 deg flex...

I have been using the arm26_elbow_flex.trc for a class homework assignment for the past 14 years. Suddenly with OpenSim 4.0 it does not work anymore. It seems that the .trc file is not the correct format for OpenSim 4.0? I was unable to run the TRCFileFixer.m. Can you please fix this .trc for me? Ma...

<t><br/> Hi-<br/> <br/> I have tried installing OpenSim 2.0 on a Vista platform. As suggested in previous threads, I saved it into a file not in the Program Files directory. I also downloaded and installed java updates as suggested. I get no Error message, but when I load the tutorial models, the mu...