Incomplete GRF Data

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
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Seyram Ofori
Posts: 6
Joined: Fri Dec 21, 2018 12:26 am

Incomplete GRF Data

Post by Seyram Ofori » Fri Jul 26, 2019 8:02 am

Hello,
I'm a relatively new user of this software and I have a grf data file that has no moments. And according to the OpenSim Documentation, "Getting Started with Inverse Dynamics", OpenSim is able to run the Inverse Dynamics analysis using the kinematics and "perhaps a portion of the kinetics". Going ahead to run the analysis doesn't give any problems but I'm wondering if it affects the results in any way
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GUI
OpenSim 4.0
Windows
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Dimitar Stanev
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Joined: Fri Jan 31, 2014 5:14 am

Re: Incomplete GRF Data

Post by Dimitar Stanev » Fri Jul 26, 2019 9:53 pm

Hi,

It will affect the results more or less. You can try performing ID with the gait2392 data set provided by OpenSim and compare the results with and without the GRF torques applied.
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Seyram Ofori
Posts: 6
Joined: Fri Dec 21, 2018 12:26 am

Re: Incomplete GRF Data

Post by Seyram Ofori » Mon Jul 29, 2019 4:32 am

Hello Dimitar,
I did as you advised and the difference is quite vast, thanks for the feedback. Really appreciated
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