Comparison o f kinematic results between metu kiss ankara university vicon gait analysis systems
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Comparison o f Kinematic Results Between METU-KISS & Ankara University-VICON Gait Analysis Systems. EZGİ CİVEK supervised by: Asst. Prof. Dr. Ergin Tönük Prof. Dr. Turgut Tümer. Outline. Introduction Gait Analysis Motion Capture Systems Comparison of the two systems

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Comparison o f kinematic results between metu kiss ankara university vicon gait analysis systems l.jpg
Comparison of Kinematic Results Between METU-KISS & Ankara University-VICON Gait Analysis Systems

EZGİ CİVEK

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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Motion Capture Systems

SOFTWARE

  • Data Acquisition

  • Calculation of Gait Parameters

HARDWARE

  • CCD Cameras

  • Markers

  • Force Plate(s)

  • EMG Unit



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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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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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