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Full Abstract: OpenSimTutorial gcmas2015.pdf
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Introduction to OpenSim and Workshop goals
Background
Models of the musculoskeletal system enable one to study neuromuscular coordination, analyze athletic performance, and estimate musculoskeletal loads. 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 (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 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:
- Become familiar with the components of OpenSim’s graphical user interface (GUI)
- Explore the components of an OpenSim lower body musculoskeletal model
- Use OpenSim tools to create a scaled, subject-specific model and calculate joint kinematics
- Simulate the effect of a tendon lengthening surgery to address plantarflexor contracture
Preparing for the Tutorial
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How to Download Notepad++
OpenSim model files and setup files are written in xml. Notepad++ is a free xml text editor that makes it easier to view and edit xml files. During the tutorial we will use Notepad++ to examine OpenSim files.
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How to Test Your Installation of OpenSim
Introduction to the OpenSim
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coming soon
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GUI
(GUI section of tutorial 1 – table with all the GUI components + messages window and/or topology view?)
Loading and viewing a model
(Load gait2392; rotate/translate/zoom in view window; move coordinate sliders around)
How to Download the GCMAS Tutorial Files (add zip tutorial folder)
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