Comparison of Kinematic Results Between METUKISS

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Comparison of Kinematic Results Between METU-KISS
Ankara University-VICON Gait Analysis Systems
EZGI CIVEK supervised by Asst. Prof. Dr.
Ergin Tönük Prof. Dr. Turgut Tümer
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Outline

• Introduction
• Gait Analysis
• Motion Capture Systems
• Comparison of the two systems
• Comparison of the kinematic results
• Future Studies

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Objective

• To compare the kinematic results of two different
  gait analysis systems.

Data Acquisition Data Analysis
Performance Methodology

• Exchanging the motion data between KISS VICON.
• Studying the same subject on each system.

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Objective

• To make KISS compatible with a common widely used
  file format.
• To enlarge the database available.

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Gait Analysis

• Analysis of the mechanics of human body during
  walking, stair ascending/descending, obstacle
  avoidance.

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Gait Analysis

• Gait analysis plays a key role in
• Diagnosis of disorders in lower extremity
• Decision making before operations
• Evaluation of prosthetic joint replacements
• Comparison of gait parameters before and after
  operations
• Studies in orthotics, amputees, athletic injuries

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Human Gait
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Motion Capture Systems

• HARDWARE
• CCD Cameras
• Markers
• Force Plate(s)
• EMG Unit

• SOFTWARE
• Data Acquisition
• Calculation of Gait Parameters

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Marker Locations
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KISS VICON
Commercial system 5 cameras 2 force
plates VICON 370 Vicon Clinical Manager Helen
Hayes Marker set
Locally developed in ME 6 cameras 2 force
plates KISS DAQ KISS GAIT Helen Hayes Marker
set
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File Formats
input for kinematic data analysis
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C3D - A 3D Biomechanics Data Standard

• Developed by Andrew Dainis in 1987.
• Used by almost all commercial motion capture
  systems.

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Converting .yor file to .c3d

• Export the coordinate data from .yor file as
  .txt format.
• Arrange the data in text file according to c3d
  format.
• Create .c3d file by a program called C3D
  Editor.

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KISS VICON
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VICON
KISS
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Future Studies

• Converting .c3d to .yor file format.
• Studying the same subject in both systems.
• Writing a program for the arrangenments of files
  required in the conversion process.

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THANK YOU!