Publish at March 28 2023 Updated April 12 2023
Developed by the National Center for Simulation in Rehabilitation Research at Stanford University, OpenSim is a free, scalable software program that enables the development of models of musculoskeletal structures and the creation of dynamic movement simulations.
In other words, the humanoid virtual avatars generated by this software look real despite all their anatomical differences: a stocky person doesn't move like a more slender one, a person who walks with a prosthesis doesn't move like one who is anatomically symmetrical, and so on.
There are 640 different muscle bundles in the human body. OpenSim makes it possible to determine their role and characteristics in an in a precise and realistic way. To create an avatar, we will take the measurements of a subject and data on his morphology, the orientation of his joints and the muscle force he is capable of generating. From these data the software calculates how he can or could perform a particular movement.
The software is relatively easy to use to model, simulate, control and analyze the neuromusculoskeletal system. Some simulations have also been developed for animals.
And surely other applications will be developed.
This short video presents the potential of this software.
OpenSim TK - The site
NCSRR - National Center for Simulation in Rehabilitation Research
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