Hi
Is there a way to get the Joint Reaction forces and moments in joint coordinates rather than global coordinates?
Rahul

<t>Hi<br/> I was under the impression that actuation force would be (activation level x max isometric force), is that not so?<br/> <br/> I sometime see that for some muscle even if the activation level is 1, the actuation force is around 2600, even though max isometric force is around 5000?<br/> <br...

<t>Hi <br/> I am trying to run ID on my data. But for some reason in the *.sto file created after ID finishes, I only see values like:<br/> 1.#QNAN000000000000000<br/> in all columns (except time).<br/> Any pointers as why it could be happening.<br/> <br/> Thanks<br/> Rahul<br/> <br/> PS:<br/> 1. My...

<t>Hi<br/> I just observed that the newest version of OpenSim (2.0.2) has only two muscles of the quadriceps. Whereas earlier version I used last year (1.5 may be?), had all four.<br/> Quad muscles were of special interest to me. <br/> Was just little surprised to see less muscles in new version?<br...

So I observed that after CMC, the 'pelvis_tilt' angle is going out of bound (-90 to 90 deg). Even though it is clamped, it goes upto -213 deg, could it be a result of any singularity?
Any pointers would be helpful.
Thanks
Rahul

<t>Hello<br/> <br/> Manual suggest using 'Analyze' after we run CMC. It generates similar files as generated after running CMC. But somehow the results I am getting are different (like comparing the force file generated after CMC or after Analyze). After Analyze, I also see a states file gets added ...

<r>Hi All<br/> I also experienced the issues raised here<br/> <URL url="https://simtk.org/forum/message.php?msg_id=4480">https://simtk.org/forum/message.php?msg_id=4480</URL><br/> <br/> By playing around with starting time/adjust kinematics/lock-unlock mtp or subtalar joints/slow fast optimization, ...

<t>Hello<br/> I have a query about the results generated after running an Inverse Dynamics.<br/> I understand that the *_Inverse_dynamics.sto files generated after running Inverse Dynamics stores the joint torques (like knee_angle_r). I also saved the states file generated when we do Inverse Dynamic...

<t>I am trying to run CMC on 1 and 2 leg squat. I am having this issue that, if I just run the CMC for a very short interval around the time step of interest, it runs. But if I run CMC for a longer time interval (reducing the initial time, and increasing the final time), than one thing is that the s...

<t>Thanks everyone.<br/> Lisa, I used x value as states (essentially time).<br/> So just to clarify based on the above discussion, so is it like the plotter just gives an approximate fiber force, based on the fiber length and hill's curve, and it will not take into account the external loads that I ...