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Full Abstract: OpenSimTutorial gcmas2015.pdf
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Introduction to OpenSim and Workshop goals
Background
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Learning Objectives
OpenSim is open-source software that allows users to develop, analyze , and visualize models of the musculoskeletal system , and to generate dynamic simulations of movement walking and other movements (see Delp 2007). In OpenSim, a musculoskeletal model consists of rigid body segments connected by joints. Muscles span these joints and generate forces and movement. Once a musculoskeletal model is created, OpenSim OpenSim is highly relevant to the GCMAS Community because it enables users to study the effects of musculoskeletal geometry, joint kinematics, and muscle-tendon properties on the forces and joint moments that the muscles can produce. With OpenSim, our goal is to provide a framework that allows the biomechanics community to create, share, and extend a library of models and dynamic simulation tools.
Workshop Goals
This workshop will introduce users to some of the tools and models available with the OpenSim software package. In this workshop, you will:
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By this end of this tutorial, participants will be able to:
- Identify components of an OpenSim model (GUI & XML)
- Load a model and animate it
- Use OpenSim's Plot Tool to plot muscle moment arms and other data
- Use OpenSim's Scale and Inverse Kinematics Tools to scale a model and solve for the model's joint angles from marker data
- Analyze a model to explain how force-generating capacity changes after a simulated surgery
- List the steps needed to process experimental data for input into OpenSim
- Locate OpenSim documentation, examples, and resources
Preparing for the Tutorial
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