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Related Experiment Video

Updated: Jan 23, 2026

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Stabilizing lateral ankle instability by suture tape - a cadaver study.

Heinz Lohrer1,2,3, Giuseppe Bonsignore4, Nadja Dorn-Lange4

  • 1ESN - European Sportscare Network, Borsigstraße 2, 65205, Wiesbaden, Germany. lohrer@esn-ortho.de.

Journal of Orthopaedic Surgery and Research
|June 15, 2019
PubMed
Summary
This summary is machine-generated.

Suture tape augmentation effectively stabilizes the ankle after anterior talofibular ligament (ATFL) injury, restoring stability comparable to an unaltered ankle in biomechanical testing. This method shows promise for treating anterolateral ankle instability.

Keywords:
AnkleAugmentationCadaver studyLateral ankle instabilitySuture anchorSuture tape

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Area of Science:

  • Orthopedic biomechanics
  • Sports medicine
  • Anatomy

Background:

  • Suture tape is a novel augmentation for Brostrom repairs, aiding lateral ankle ligament healing.
  • Its mechanical stabilization efficacy against anterior talar drawer requires evaluation.

Purpose of the Study:

  • To assess suture tape's effectiveness as a mechanical stabilizer for the anterior talofibular ligament (ATFL).
  • To compare ankle stability with suture tape augmentation against various injury conditions using a cadaver model.

Main Methods:

  • 14 cadaveric specimens underwent ATFL dissection and sequential ligamentous transections (CFL, PTFL).
  • Ankle stability was measured using an arthrometer and 3D bone-to-bone markers under anterior talar drawer load.
  • Suture tape reconstruction of the ATFL was performed and tested.

Main Results:

  • ATFL dissection significantly increased anterior talar drawer (p=0.003).
  • Further transection of the calcaneofibular ligament (CFL) did not significantly increase instability (p=0.810).
  • Suture tape reconstruction restored ankle stability to levels comparable to unaltered specimens (p=0.173).

Conclusions:

  • Suture tape augmentation of the ATFL provides effective sagittal plane stabilization for anterolateral ankle instability.
  • The calcaneofibular ligament (CFL) appears to have a limited role in stabilizing against anterior talar drawer forces.