Contributors and Acknowledgements

These workshop materials were developed by members of the Neuromuscular Biomechanics Lab in the Department of Bioengineering at Stanford University, including Scott Delp, Ajay Seth, Jennifer Hicks, Ayman Habib, Jeff Reinbolt, Sam Hamner, Matt DeMers, Katherine Steele, Edith Arnold, Chand John, and Joy Ku.

Funding was provided by the NIH-supported National Center for Simulation in Rehabilitation Research and Simbios, a National NIH Center for Biomedical Computing, at Stanford University

Please include the Contributors and Acknowledgements slide in any presentations using these materials.

Click on the links below to download pdfs of lectures and handouts. If you are running your own OpenSim course of workshop and want to modify these lectures, let us know and we can share the original sources files with you.

Also see How to Run an OpenSim Workshop for more information about running your own course.

Didactic Lectures:

Workshop Welcome Slides

Overview of the OpenSim Project
Objectives and Plan for the Workshop
Movies Not Included, can be provided separately

Participant Project Slides

Agenda Slide

Introduction to OpenSim for Clinicians (OpenSimforClinicians)

Introduction to musculoskeletal models and simulation of movement with OpenSim
Exploring joint angles, muscle-tendon lengths, & moment arms
Clinical Example: Assessment of hamstrings lengths during crouch gait
More applications of OpenSim and how to get involved

Data Import and Scaling: Coming Soon

InverseKinematics.pdf InverseKinematics.pdf Inverse Kinematics

Overview of Theory
Exercises to Reinforce Learning
Tips and Tricks for Using Inverse Kinematics Tool in OpenSim

Inverse Dynamics Beginner

Basic Overview of Theory
Exercises to Reinforce Learning

Inverse Dynamics Advanced

Overview of Theory
Tips and Tricks for Using Inverse Dynamics Tool in OpenSim

Static Optimization

Overview of Theory
Tips and Tricks for Using Static Optimization Tool in OpenSim

Forward Dynamics

Overview of Theory
Exercises to Reinforce Learning

Residual Reduction

Overview of Theory
Tips and Tricks for Using RRA Tool in OpenSim

Computed Muscle Control

Overview of Theory
Tips and Tricks for Using CMC Tool in OpenSim

Running an Analysis: Joint Reactions

Overview of the Analyze Tool
Overview of theory and use of Joint Reactions Analysis

Components of a Model

Overview of the Components of an OpenSim Model

Architecture and API

Handouts

OpenSim for Clinicians Workshop Handout

Introductory Material
Step by Step guide to hands on exercises (adapted from Tutorial 1)

Beginner Workshop Handout

Inverse Kinematics, Inverse Dynamics, and Forward Dynamics
See Table of Contents for more details

Intermediate Workshop Handout

Introductory Material
Chapter on main elements of work flow with concept questions and guide to hands-on practice with upper extremity example
Chapter on Matlab Simulink interface

Advanced Workshop Handout

Chapters on each element of the workflow, running a joint analysis, model components, and guide to finding more resources
See Table of Contents for more details

Examples

Forward Simulation of Swing and Stance Using a Simple Model of the Lower Extremity

Step by Step Guide: Example - Forward Simulation of Stance and Swing
Model and Data: Included with the OpenSim distribution
Exercise: Forward Simulation of Swing
- Use the Excitation Editor to generate a swing phase motion
- Use Static Optimization to generate a forward simulation of swing
- Use Computed Muscle Control to generate a forward simulation of swing
Exercise: Forward Simulation of Stance
- Use Residual Reduction to get dynamically consistent model and data
- Use Computed Muscle Control to generate a forward simulation of stance

Upper Extremity Forward Simulation

Files are included with the OpenSim distribution
Step by Step Guide is in the IntermediateWorkshopHandout.pdf

Model Editing Example

Slides to introduce the example can be found at the end of the ModelComponentsLecture
Step by Step Guide: Example - Model Editing

Batch Processing Example

Available on the Musculoskeletal Modeler’s Tool Kitchen at https://simtk.org/project/xml/downloads.xml?group_id=559

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