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The lateral ankle ligaments are interconnected: the medial connecting fibres between the anterior talofibular, calcaneofibular and posterior talofibular ligaments

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Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

A deep knowledge of lateral ankle ligaments is necessary to understand its function, pathophysiology and treatment options. The ankle lateral collateral ligament is formed by the anterior talofibular ligament (ATFL), the calcaneofibular (CFL) and the posterior talofibular ligament (PTFL). Although previous studies have reported connections between these ligaments on its lateral side, no studies have specifically assessed connections on the medial side. The aim of this study was to assess the morphology and consistency of the medial connections between the components of the lateral collateral ligament complex of the ankle.

Methods

Forty fresh-frozen ankle specimens were dissected to look for connections between the three lateral ankle ligaments. After visualization of the lateral ligaments was achieved, the fibula was amputated and ligament insertions were released at the talar and calcaneal insertion points. Observation of the connections and video analysis of the dynamic relationships of ligament connections were performed.

Results

Connections were found in all cases between the ATFL and PTFL, the ATFL and CFL, and the CFL and PTFL. Connections between ATFL and PTFL were not homogeneous. Although connections between the ATFLif and PTFL were noted in all cases (40), only 17 ankles (42.5%) had connections between the ATFLsf and PTFL. The amount of fibres of connection was also variable.

Conclusion

Connections between the three components of the lateral collateral ligament of the ankle may be observed from the medial aspect of the ankle, and this may have important implications for arthroscopic lateral ligament repair.

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Authors and Affiliations

  1. Department of Pathology and Experimental Therapeutics, Human Anatomy and Embryology Unit, University of Barcelona, Barcelona, Spain

    M. Dalmau-Pastor, F. Malagelada, M. C. Manzanares & J. Vega

  2. GRECMIP, MIFAS (Groupe de Recherche et d’Etude en Chirurgie Mini-Invasive du Pied, Minimally Invasive Foot and Ankle Society), Merignac, France

    M. Dalmau-Pastor & J. Vega

  3. Vilamèdic Medical Center, Santa Coloma de Gramanet, Barcelona, Spain

    M. Dalmau-Pastor

  4. Department of Trauma and Orthopaedic Surgery, Royal London Hospital, Barts Health NHS Trust, London, UK

    F. Malagelada

  5. Trauma and Orthopaedics, Chelsea and Westminster Hospital, London, UK

    J. Calder

  6. Foot and Ankle Unit, iMove Tres Torres, Barcelona, Spain

    J. Vega

Authors
  1. M. Dalmau-Pastor
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  2. F. Malagelada
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  3. J. Calder
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  4. M. C. Manzanares
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  5. J. Vega
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Correspondence to M. Dalmau-Pastor.

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No funding was received.

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Ethical approval was obtained with IRB number IRB00003099.

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Dalmau-Pastor, M., Malagelada, F., Calder, J. et al. The lateral ankle ligaments are interconnected: the medial connecting fibres between the anterior talofibular, calcaneofibular and posterior talofibular ligaments. Knee Surg Sports Traumatol Arthrosc 28, 34–39 (2020). https://doi.org/10.1007/s00167-019-05794-8

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  • DOI: https://doi.org/10.1007/s00167-019-05794-8

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