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Quantifying dynamic characteristics of human walking for comprehensive gait cycle
Carlotta Mummolo1, Luigi Mangialardi, Joo H Kim
1Department of Mechanical and Aerospace Engineering, Polytechnic Institute of New York University, Brooklyn, NY 11201, USA.
Journal of Biomechanical Engineering
|June 19, 2013
Summary
We developed a new Dynamic Gait Measure (DGM) to quantify human walking stability. This index helps understand biped walking dynamics and balance during each gait phase.
Area of Science:
- Biomechanics
- Human Locomotion
- Robotics
Background:
- Human walking involves dynamic stability despite static imbalance.
- Understanding gait principles requires quantifying dynamic characteristics.
Purpose of the Study:
- Introduce a novel quantitative index, the Dynamic Gait Measure (DGM).
- Quantify static balance instability and dynamic characteristics of human walking.
Main Methods:
- Developed the DGM incorporating inertia, zero-moment point, center of mass projection, and time-varying foot support region.
- Introduced a framework for determining DGM from experimental data with refined gait cycle segmentation.
- Integrated a multisegmental foot model into a biped system to reconstruct walking motion.
Main Results:
- Demonstrated proof-of-concept DGM results from a gait experiment.
- Analyzed DGM alongside established gait features and indices.
- Showcased time-varying foot support region for different walking subphases.
Conclusions:
- The DGM measures static balance instability during biped walking across gait phases.
- The DGM offers scientific insights into biped walking principles.
- Potential applications in engineering and clinical settings for gait analysis.
