Inverse Dynamics with and without COP

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
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Mohammadreza Rezaie
Posts: 412
Joined: Fri Nov 24, 2017 12:48 am

Inverse Dynamics with and without COP

Post by Mohammadreza Rezaie » Wed Dec 04, 2024 4:32 am

Hi, this might be a stupid question. I created the GRF file with ForceLocation set to zero (forceplate origin) and one (COP). This is the output which makes sense:
COP.png
COP.png (12.26 KiB) Viewed 573 times
Then I executed Inverse Dynamics for each file. My question is why the outputs are exactly identical?
Moment.png
Moment.png (23.55 KiB) Viewed 573 times

It seems that the Inverse Dynamics tool doesn't take COP into account. Is this correct?

Thanks

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Nicos Haralabidis
Posts: 199
Joined: Tue Aug 16, 2016 1:46 am

Re: Inverse Dynamics with and without COP

Post by Nicos Haralabidis » Thu Dec 05, 2024 10:22 am

Hello Mohammadreza,

Would you mind sharing the files you used to generate these results?

Thanks,

Nicos

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Mohammadreza Rezaie
Posts: 412
Joined: Fri Nov 24, 2017 12:48 am

Re: Inverse Dynamics with and without COP

Post by Mohammadreza Rezaie » Thu Dec 05, 2024 10:41 am

Hi Nicos, please find the attached files:
Trial1_FPOrigin.zip
(448.77 KiB) Downloaded 98 times
Trial1_COP.zip
(538.73 KiB) Downloaded 95 times
Thanks

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