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Forces under the foot.

J P Pollard, L P Le Quesne, J W Tappin

    Journal of Biomedical Engineering
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    A new transducer measures foot forces during walking. Plaster casts and Plastazote insoles significantly reduce forces, offering potential benefits for managing foot ulcers in diabetes and leprosy patients.

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    Area of Science:

    • Biomechanics
    • Podiatry
    • Medical Engineering

    Background:

    • Understanding foot-sole mechanical forces is crucial for preventing and managing lower limb pathologies.
    • Existing measurement methods may not fully capture all force components under the foot.
    • Various footwear and insoles alter biomechanical load distribution.

    Purpose of the Study:

    • To develop and validate a transducer system for measuring horizontal and vertical forces under the foot.
    • To analyze the impact of different footwear on these mechanical forces.
    • To explore the clinical implications for conditions like diabetic foot ulcers.

    Main Methods:

    • Development of a novel shear force transducer.
    • Integration with a vertical force transducer for comprehensive analysis.

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  • Gait analysis of individuals walking in various footwear conditions.

    • Main Results:

    • The transducer system successfully recorded shear and vertical forces.
    • Significant differences in force distribution were observed across different footwear types.
    • Plaster casts exhibited the lowest recorded forces, followed by Plastazote insoles.

    Conclusions:

    • The developed transducer system provides a comprehensive method for analyzing foot biomechanics.
    • Footwear, particularly rigid options like plaster casts and soft insoles like Plastazote, can substantially modify plantar pressure.
    • Findings suggest potential applications in therapeutic interventions for high-risk foot conditions, including diabetic foot and leprosy-related ulcerations.