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A historical perspective of PCL bracing

  • Knee
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

Currently there are many functional knee braces but very few designed to treat the posterior cruciate ligament (PCL). No PCL braces have been biomechanically validated to demonstrate that they provide stability with proper force distribution to the PCL-deficient knee. The purpose of this review was to evaluate the history and current state of PCL bracing and to identify areas where further progress is required to improve patient outcomes and treatment options.

Methods

A PubMed search was conducted with the terms “posterior cruciate ligament”, “rehabilitation”, “history”, “knee”, and “brace”, and the relevant articles from 1967 to 2011 were analysed. A review of the current available PCL knee bracing options was performed.

Results

Little evidence exists from the eight relevant articles to support the biomechanical efficacy of nonoperative and postoperative PCL bracing protocols. Clinical outcomes reported improvements in reducing PCL laxity with anterior directed forces to the tibia during healing following PCL tears. Biomechanics research demonstrates that during knee flexion, the PCL experiences variable tensile forces. One knee brace has been specifically designed and clinically validated to improve stability in PCL-deficient knees during rehabilitation. While available PCL braces demonstrate beneficial patient outcomes, they lack evidence validating their biomechanical effectiveness.

Conclusions

There is limited information evaluating the specific effectiveness of PCL knee braces. A properly designed PCL brace should apply correct anatomic joint forces that vary with the knee flexion angle and also provide adjustability to satisfy the demands of various activities. No braces are currently available with biomechanical evidence that satisfies these requirements.

Level of evidence

IV.

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Acknowledgments

We would like to thank Joe Kania for the images presented in this article.

Conflict of interest

This research was supported by The Steadman Philippon Research Institute, which is a 501(c)(3) nonprofit institution supported financially by private donations and corporate support from the following entities: Smith & Nephew Endoscopy, Arthrex, Inc., Siemens Medical Solutions USA, Inc., OrthoRehab, ConMed Linvatec, Össur Americas, Small Bone Innovations, Inc., and Opedix. One of the authors is a paid consultant for Arthrex. The authors declare they have no conflict of interest.

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Authors and Affiliations

  1. Department of BioMedical Engineering, Steadman Philippon Research Institute, Vail, CO, USA

    Kyle S. Jansson, Kerry E. Costello & Coen A. Wijdicks

  2. Howard Head Sports Medicine Center, Vail, CO, USA

    Luke O’Brien

  3. The Steadman Clinic, 181 W. Meadow Drive Suite 400, Vail, CO, 81657, USA

    Robert F. LaPrade

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  1. Kyle S. Jansson
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  2. Kerry E. Costello
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  3. Luke O’Brien
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  4. Coen A. Wijdicks
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  5. Robert F. LaPrade
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Correspondence to Robert F. LaPrade.

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Jansson, K.S., Costello, K.E., O’Brien, L. et al. A historical perspective of PCL bracing. Knee Surg Sports Traumatol Arthrosc 21, 1064–1070 (2013). https://doi.org/10.1007/s00167-012-2048-9

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  • DOI: https://doi.org/10.1007/s00167-012-2048-9

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