Minimum number of muscle

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AYUSH RAI
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Minimum number of muscle

Post by AYUSH RAI » Mon Jun 10, 2019 11:11 pm

Is there way to decide minimum number of muscle in model to archive certain kinematics motion?
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OpenSim 4.0
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Thomas Uchida
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Joined: Wed May 16, 2012 11:40 am

Re: Minimum number of muscle

Post by Thomas Uchida » Tue Jun 11, 2019 8:09 am

Is there way to decide minimum number of muscle in model to archive certain kinematics motion?
It depends on the motion. For example, no matter how many muscles you add to a model, it will be unable to achieve certain poses. Assuming the muscles have reasonable parameters, the model will be unable to achieve certain accelerations, jump over a building, etc. One rough strategy could be to start with a simple model and build complexity as necessary. The broader question is, "what model suits my research question?" There's some discussion on that topic in this paper: Hicks et al. "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
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