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Development of a clinically useful multi-segment kinetic foot model
1Wolf Orthopaedic Biomechanics Laboratory, School of Kinesiology, Faculty of Health Sciences, Western University, London, Ontario, N6A 5B9, Canada. szhu86@uwo.ca.
Journal of Foot and Ankle Research
|November 29, 2023
Summary
This study introduces a new multi-segment foot model for detailed gait analysis. The model accurately measures foot movements and forces, proving reliable for clinical research.
Area of Science:
- Biomechanics
- Orthopedics
- Sports Medicine
Background:
- Traditional gait analysis treats the foot as a single rigid segment, missing crucial internal movements and loads.
- Limited data on multi-segment foot kinetics exist due to measurement and equipment challenges.
Purpose of the Study:
- To develop a novel, clinically feasible multi-segment kinetic foot model.
- To enable kinematic and kinetic analysis for large patient groups.
Main Methods:
- The study developed a new multi-segment kinetic foot model.
- The model quantifies intersegmental foot kinematics (rotation angles) and kinetics (joint moments, powers).
- Medial longitudinal arch (MLA) height/length ratio was also measured.
Main Results:
- The model demonstrated strong within-subject reliability (R > 0.7) for most joint motions in healthy adults.
- Outcome measures aligned with existing multi-segment foot models in biomechanics literature.
- Repeatability of joint motions was assessed using coefficients of multiple correlation.
Conclusions:
- The novel multi-segment foot model effectively quantifies intersegmental foot kinematics and kinetics.
- This model serves as a valuable tool for research and clinical assessments in various populations.
