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Current concepts in above-knee socket design.

J W Michael

    Instructional Course Lectures
    |January 1, 1990
    PubMed
    Summary

    Above-knee prosthetic sockets require careful design for optimal support, stability, and function. Contemporary methods refine these core principles for better comfort and dynamic performance in amputee care.

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    Area of Science:

    • Prosthetics and Orthotics
    • Biomechanical Engineering
    • Rehabilitation Medicine

    Background:

    • Established principles for above-knee (AK) socket design, proposed by Radcliffe, remain foundational.
    • These principles address critical biomechanical and functional requirements for prosthetic limb users.

    Purpose of the Study:

    • To review the fundamental tenets of AK socket design.
    • To emphasize the enduring importance of these principles in contemporary prosthetic practice.

    Main Methods:

    • Literature review of established and modern AK socket design principles.
    • Analysis of Radcliffe's foundational concepts in the context of current technology.

    Main Results:

    • Radcliffe's tenets include vertical weight support, skeletal stabilization (coronal and sagittal planes), muscle accommodation, and voluntary knee control.
    • Individualized design and a balance of static/dynamic comfort, function, and appearance are crucial.

    Conclusions:

    • Contemporary AK socket designs are enhancements and refinements of Radcliffe's original goals.
    • All fundamental design goals must be met regardless of the specific socket design chosen for optimal outcomes.

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