How can I calculate muscle force with length, activation?

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younguk kim
Posts: 8
Joined: Wed Feb 20, 2013 5:11 am

How can I calculate muscle force with length, activation?

Post by younguk kim » Wed Jun 24, 2015 10:46 pm

Hello.

I want to make muscle force function with Opensim Model.
What I want to make is :

Force = MuscleFunction(l,v, activation)

*other environment parameter is constant and given
I want to make this function with Opensim API.
But I have no idea to make it.

Please help me....

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Emil Walczak
Posts: 50
Joined: Fri Feb 06, 2015 6:45 am

Re: How can I calculate muscle force with length, activation

Post by Emil Walczak » Thu Jun 25, 2015 3:36 am

Hello,

you want to use the defult function from Thelen muscle or introduce your own function for active force calculations?

If the firs one,I've added document about Thelen muscle where you can find the active force equation.

If the second, you need to look into "OpenSim Developper Guide" and check the "Creating customized muscle model" chapter.
Attachments
CompleteDescriptionOfTheThelen2003MuscleModel.pdf
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