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Foot roll-over evaluation based on 3D dynamic foot scan.
William Samson1, Angèle Van Hamme, Stéphane Sanchez
1Laboratory of Functional Anatomy (CP 619), Université Libre de Bruxelles (ULB), route de Lennik 808, 1070 Brussels, Belgium.
Gait & Posture
|October 15, 2013
Summary
This study introduces a dynamic foot scanner (DFS) to analyze foot rollover, offering new insights into foot motion like arch height. The reliable method captures the entire plantar aspect, not just contact areas.
Area of Science:
- Biomechanics
- Gait Analysis
- Medical Imaging
Background:
- Foot rollover analysis is crucial for identifying gait pathologies.
- Current methods like pedobarography primarily measure plantar pressure.
- A need exists for comprehensive foot analysis during gait.
Purpose of the Study:
- To introduce and validate a dynamic foot scanner (DFS) for analyzing foot rollover.
- To assess the reliability of DFS in capturing foot sole topography.
- To explore the potential of DFS data in understanding foot mechanics.
Main Methods:
- Ten healthy subjects underwent gait trials with an integrated DFS system.
- 3D foot shapes were projected to create a foot sole picture.
- Mean height and projected surface area were calculated for anatomical regions of interest (ROIs).
Main Results:
- DFS-derived height data showed different evolutions compared to plantar pressure data.
- The method accounts for the entire plantar foot surface, including non-contact areas.
- The underlying DFS method demonstrated reliability in measurements.
Conclusions:
- The dynamic foot scanner (DFS) offers a novel approach to foot rollover analysis.
- DFS height data may enhance understanding of plantar arch height and the windlass mechanism.
- Further clinical validation is needed before integrating DFS into practice.
