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Instrumented testing of functional knee braces.

C Beck, D Drez, J Young

    The American Journal of Sports Medicine
    |July 1, 1986
    PubMed
    Summary
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    Seven functional knee braces were tested for anterior tibial displacement control in anterior cruciate ligament (ACL) deficient knees. Some braces demonstrated superior control, aiding in selection for ACL insufficiency patients.

    Area of Science:

    • Orthopedic biomechanics
    • Sports medicine
    • Biomedical engineering

    Background:

    • Anterior cruciate ligament (ACL) insufficiency leads to anterior tibial displacement.
    • Functional knee braces are used to manage knee instability.
    • Objective assessment of brace efficacy is crucial for patient care.

    Purpose of the Study:

    • To evaluate the efficacy of seven functional knee braces in controlling anterior tibial displacement.
    • To compare the performance of different braces in ACL-deficient knees.
    • To provide data to guide the selection of braces for patients with ACL insufficiency.

    Main Methods:

    • Utilized three human knees with severe ACL deficiency.
    • Employed two distinct instrumented testing devices for quantitative measurement.

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  • Assessed anterior tibial displacement under controlled conditions for seven different knee braces.

    • Main Results:

    • Significant differences in anterior tibial displacement control were observed among the tested braces.
    • Certain braces provided statistically superior control compared to others.
    • Not all observed differences reached statistical significance, indicating variability in performance.

    Conclusions:

    • The study identified specific functional knee braces that offer enhanced control of anterior tibial displacement.
    • Findings can assist clinicians and patients in choosing the most effective brace for ACL insufficiency.
    • Further research may be needed to confirm the statistical significance of all observed differences.