Reference for RRA Pelvic Residual Recommendations

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Brad Wash
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Joined: Mon May 07, 2018 1:20 pm

Reference for RRA Pelvic Residual Recommendations

Post by Brad Wash » Tue Jun 04, 2019 6:38 pm

Hello Everyone,

I'm having a hard time locating the origins of the RRA pelvic residual recommendations shown in the chart at the bottom of the "Getting Started with RRA" page.

https://simtk-confluence.stanford.edu:8 ... d+with+RRA

Does anyone know how these recommendations were determined? I was hoping there might be a paper somewhere out there that explains what these recommendations are based on but I'm not finding it.

Thanks for the help!

Brad

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jimmy d
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Joined: Thu Oct 04, 2007 11:51 pm

Re: Reference for RRA Pelvic Residual Recommendations

Post by jimmy d » Wed Jun 05, 2019 5:01 pm

Hi, Brad-

Those recommendations came from trial and error in our lab-- so there are no papers where this information came from.

The issue with residuals is that it depends on your model and data. The residuals could represent real forces and masses that have or haven't been included.

-J

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Thomas Uchida
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Re: Reference for RRA Pelvic Residual Recommendations

Post by Thomas Uchida » Thu Jun 06, 2019 6:11 am

There's some discussion of residual forces in Section 3.1.3 of this paper: Hicks, J.L., Uchida, T.K., Seth, A., Rajagopal, A., Delp, S.L. Is my model good enough? Best practices for verification and validation of musculoskeletal models and simulations of movement. ASME Journal of Biomechanical Engineering 137(2):020905, 2015 (https://nmbl.stanford.edu/publications/ ... ks2015.pdf). Also see Table 2 on page 20.

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