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Gait Extract Toolbox

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Gait Extract Toolbox

by Tim Dorn

 

28 Sep 2008 (Updated 25 Nov 2008)

Toolbox for extracting motion capture and force plate data from c3d files. Used for pre processing d

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Description

This toolbox is of benefit to musculoskeletal modellers in the firld of biomechanics / bioengineering to assist extracting kinematic, kinetic, and EMG information directly from a Vicon C3D file for Matlab manipulation or for input to OpenSim biosimulation software. The scripts can be configured for any lab (using a Vicon motion capture setup and AMTI force plates. I have decided to release it to other researchers for free without warranty but I do ask for acknowledgement if used in publications. Free download is available with documentation and an example included.

Main features of this script include:

Custom markerset extraction
Kinetic extraction (ground reaction forces / moments)
Center of pressure calculation
Transformation to customizable model coordinate system
EMG acquisition & processing tools
XML file production (for OpenSim)
Lab Customizable

The scripts require Motion Labs C3D Server software (freeware) and XML Toolbox (Marc Molinari)(freeware) which is included with the script download.

Additional C3D software may be useful and these are available at http://www.c3d.org/download_apps.html. Review the included manual for version updates and additions. Please inform me of bugs / suggestions to improve as this will be an ongoing project.

Acknowledgements

The author wishes to acknowledge the following in the creation of this submission:
XML Toolbox

MATLAB release MATLAB 7.5 (R2007b)
Other requirements OpenSim V1.5.5 or higher
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Updates
25 Nov 2008

New batch EMG processor, new plotting tools, full OpenSim pipeline walking example, enhanced XML writers (RRA & CMC included), other minor bug fixes.

Tag Activity for this File
Tag Applied By Date/Time
biotech Tim Dorn 22 Oct 2008 10:21:54
pharmaceutical Tim Dorn 22 Oct 2008 10:21:54
c3d Tim Dorn 22 Oct 2008 10:21:54
biomechanics Tim Dorn 22 Oct 2008 10:21:54
pharmaceuticals Tim Dorn 22 Oct 2008 10:21:54
vicon Tim Dorn 22 Oct 2008 10:21:54
gait Tim Dorn 22 Oct 2008 10:21:54
biomechanics Shinichi Amano 25 Jan 2011 15:35:13

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