Dear users / admin, I am trying to understand how the wrapping surfaces work in the Thoracoscapular Shoulder Model. When I plot the muscle-tendon length of the Infraspinatus inferior against the axial rotation or the plane of elevation of the arm, the graph is not smooth but contains some spikes.Whe...

I just saw your edit, I tried it in script and there are no longer any error messages. Thank you

I tried and it gave the following error: Undefined function 'computeFiberEquilibrium' for input arguments of type 'org.opensim.modeling.Muscle'. Error in surfaceplot (line 64) teresminor.computeFiberEquilibrium(state,true); in case it helps, this is how I called the muscle teresminor = model.getMusc...

Dear Mr Dembia, Thank you for your response, the start of the script looks like this: import org.opensim.modeling.* opensimCommon.LoadOpenSimLibrary("...\ScapulothoracicJointPlugin40_WinX64") model = Model('...\ThoracoscapularShoulderModelSubject.osim'); state = model.initSystem(); Could you please ...

Dear users / admin, I am trying to use Matlab and the model of the Scapulothoracic Joint to look at tendon strain for different positions of the arm and how tendon strain is influenced by the velocity of the arm. I tried to use computeFiberEquilibrium to make sure the velocity of the muscle was take...