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Hello everyone,

Is it possible to change the muscle activation model through MATLAB? I noticed that one property of Millard2012AccelerationMuscle is 'MuscleFirstOrderActivationDynamicModel' and I can see in Doxygen that a class for 'MuscleSecondOrderActivationDynamicModel' exists. Is there a method that can be used to switch the activation dynamics of certain (or all) muscles from first order activation dynamics to second order activation dynamics? If yes, is this possible for other muscle models as well such as Millart2012EquilibriumMuscle?

Kind Regards,
Andreas

Looking at the source code, it seems that the first order model is hard-coded into the major muscle classes (both Millard class, Thelen class). I think you would have to go to the C++ level to make these changes.