Muscle activation

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
POST REPLY
User avatar
Ricardo Lameira
Posts: 17
Joined: Tue Apr 12, 2016 1:43 pm

Muscle activation

Post by Ricardo Lameira » Tue Dec 20, 2016 4:27 pm

Hello,

In which units comes muscle activation? Volts? For example, add_long_r.activation.

User avatar
Dimitar Stanev
Posts: 1096
Joined: Fri Jan 31, 2014 5:14 am

Re: Muscle activation

Post by Dimitar Stanev » Wed Dec 21, 2016 1:20 am

Muscle activation is a unit-less quantity in the range [0, 1]. If you are interested to compare with emg then you have to

1) scale the emg by the maximum voluntary contraction value
2) remove DC and rectify
3) apply a band pass filter to extract the envelope

Best

POST REPLY