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Comparative roll-over analysis of prosthetic feet
Carolin Curtze1, At L Hof, Helco G van Keeken
1Center for Rehabilitation, University Medical Center Groningen, Groningen, The Netherlands. c.curtze@rev.umcg.nl
Journal of Biomechanics
|May 19, 2009
Summary
This study analyzed prosthetic foot roll-over characteristics and shoe effects. Findings offer insights into improving amputee gait stability and efficiency using prosthetic feet.
Area of Science:
- Biomechanics
- Prosthetics and Orthotics
Background:
- The prosthetic foot is crucial for amputee gait, influencing stability and efficiency.
- Understanding prosthetic foot mechanics is key to optimizing prosthetic leg function.
Purpose of the Study:
- To determine the roll-over characteristics of various prosthetic feet.
- To examine how different footwear affects these characteristics.
- To relate measured parameters to amputee gait performance.
Main Methods:
- Emulation of body weight acting on prosthetic feet using an inverted pendulum apparatus.
- Measurement of effective radius of curvature, center of pressure travel, and instantaneous radius of curvature.
- Analysis of a diverse range of prosthetic feet and various shoe types.
Main Results:
- Quantified roll-over characteristics for multiple prosthetic feet.
- Demonstrated the influence of different shoes on prosthetic foot mechanics.
- Identified key parameters correlating with amputee gait.
Conclusions:
- Prosthetic foot design and shoe selection significantly impact gait parameters.
- The study provides a basis for understanding and improving prosthetic foot function in amputee locomotion.
- Results can inform the development of more stable and efficient prosthetic legs.
