Thank you.
My confusion is how does muscle absorb energy? What happens to the absorbed energy? The problem I am facing is that I cannot imagine how it happens physically. Thank you.

Hello 1. I used SO to find muscle forces and activation. But when I was trying to find muscle power using the Analyze tool, I found that the muscle forces from that simulation is different from that of SO. Why are they different? Is it the correct method to find the muscle power during one particula...

How can I compare Activation to EMG or can I convert Activation to EMG?

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Hello
I was going through the paper by Darryl G. Thelen (Adjustment of Muscle Mechanics Model Parameters to simulate Dynamic Contractions in Older Adults 2003) and I noticed that muscle activation and EMG are different. Is it applicable to Opensim also?

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Thank you.
What does 'MuscleAnalysis_Active Fiber Force' file contains? I got this as a result from the analyze tool.
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Hello. I was using analyze(Force reporter, JointReaction) to find the muscle forces and joint reactions for a particular motion. But the values I get are a bit big. (around 30,000) What is the reason behind it? How can I get this result in N. Also, where can I find details about the output files? Th...

I want to add external force to the model. How do I add the xml file that contains the force details to the model when I am using matlab? analyzeTool.setName(name); analyzeTool.setResultsDir(results_folder); analyzeTool.setCoordinatesFileName([ik_results_folder motIKCoordsFile]); analyzeTool.setInit...

The muscle force plot I got from SO are spikes. Why is it not a continuous graph?

Hello I was using CMC tool and the result motion is completely different from the input motion. Then I found that there is a very high position error in the model. (As high as 45 degree.) What are the reasons for it? How can I reduce it? I am using the model from "MoBL-ARMS OpenSim tutorial_33". I a...

I want to make some changes to analyzeTool.run() tool used in Matlab. How can I do it?