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A microcomputer-based video vector system for clinical gait analysis.
1Department of Biomedical Physics and Bioengineering, University of Aberdeen, Foresterhill, UK.
Journal of Biomedical Engineering
|September 1, 1990
Summary
A new microcomputer system visualizes ground reaction force vectors in real-time, aiding biomechanics analysis. This tool simplifies understanding joint moments for applications in orthotics and prosthetics.
Area of Science:
- Biomechanics
- Biomedical Engineering
- Kinesiology
Background:
- Understanding ground reaction forces is crucial for analyzing human movement.
- Real-time visualization of biomechanical data can enhance interpretation and application.
Purpose of the Study:
- To develop and present a microcomputer-based system for real-time visualization of ground reaction force vectors.
- To demonstrate the system's utility in observing and quantifying joint moments.
Main Methods:
- A microcomputer system integrated with a force platform and video camera.
- Real-time acquisition and processing of force platform signals.
- Superimposition of the resultant force vector onto the video image of a subject.
Main Results:
- The system successfully displays ground reaction force vectors superimposed on video in real-time.
- Force platform data can be stored for further analysis, including quantification of external joint moments.
- High spatial resolution achieved: 0.342% vertically and 0.156% horizontally.
Conclusions:
- The developed system offers an accessible and interpretable method for visualizing biomechanical forces.
- This technique has practical applications in orthotics, prosthetics, and biomechanics education.