Biomechanical evaluation of a novel dynamic posterior cruciate ligament brace

Clinical Biomechanics
Christian H HeinrichsRené Attal

Abstract

Use of a rigid brace or cast immobilization is recommended in conservative treatment or postoperative rehabilitation after a posterior cruciate ligament injury. To prevent the loss of knee joint function and muscle activity often associated with this, a flexible knee brace has been developed that allows an adjustable anteriorly directed force to be applied to the calf in order to prevent posterior tibial translation. The purpose of this biomechanical study was to evaluate the impact of this novel dynamic brace on posterior tibial translation after posterior cruciate ligament injury and reconstruction. A Telos stress device was used to provoke posterior tibial translation in seven human lower limb specimens, and stress radiographs were taken at 90° of knee flexion. Posterior tibial translation was measured in the native knees with an intact posterior cruciate ligament; after arthroscopic posterior cruciate ligament dissection with and without a brace; and after posterior cruciate ligament reconstruction with and without a brace. The force applied with the brace was measured using a pressure sensor. Posterior tibial translation was significantly reduced (P=0.032) after application of the brace with an anteriorly directed force of...Continue Reading

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Citations

Mar 3, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Marc Jacob StraussTim Spalding
Jun 8, 2021·Journal of the American Academy of Orthopaedic Surgeons. Global Research & Reviews·Bernard P KemkerGregory Golladay

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