May Kaplan Fiber Injury Signal Greater Knee Instability? - Takeaways - MDSpire

May Kaplan Fiber Injury Signal Greater Knee Instability?

Magnetic resonance imaging showed that Kaplan fiber injury was associated with greater anterior tibial subluxation following anterior cruciate ligament injury, suggesting that the finding may help identify patients with greater knee instability.

  • By

  • Andrea Surnit

  • July 24, 2026

  • 3 min

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  • 1

    Kaplan fiber injury was found to be independently associated with greater anterior tibial subluxation in patients with ACL injury.

  • 2

    The study evaluated 132 patients aged 14 to 55 who underwent primary ACL reconstruction and had MRI within 12 weeks of injury.

  • 3

    KF injury was present in 36% of patients and was associated with a higher frequency of concomitant anterolateral ligament injury.

  • 4

    Multivariable analysis showed that KF injury increased anterior tibial subluxation by an average of 3.4 mm.

  • 5

    The study highlights the need for larger, multicenter studies to validate the findings and assess clinical applicability.

Original Source(s)

May Kaplan Fiber Injury Signal Greater Knee Instability?

  • by Andrea Surnit

  • July 24, 2026

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