Effect of Tibial Posterior Slope on Knee Kinematics, Quadriceps Force, and Patellofemoral Contact Force After Posterior-Stabilized Total Knee Arthroplasty

The Journal of Arthroplasty
Shigetoshi OkamotoYukihide Iwamoto

Abstract

We used a musculoskeletal model validated with in vivo data to evaluate the effect of tibial posterior slope on knee kinematics, quadriceps force, and patellofemoral contact force after posterior-stabilized total knee arthroplasty. The maximum quadriceps force and patellofemoral contact force decreased with increasing posterior slope. Anterior sliding of the tibial component and anterior impingement of the anterior aspect of the tibial post were observed with tibial posterior slopes of at least 5° and 10°, respectively. Increased tibial posterior slope contributes to improved exercise efficiency during knee extension, however excessive tibial posterior slope should be avoided to prevent knee instability. Based on our computer simulation we recommend tibial posterior slopes of less than 5° in posterior-stabilized total knee arthroplasty.

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Citations

Feb 13, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Delphine Wautier, Emmanuel Thienpont
Oct 12, 2010·The Journal of Arthroplasty·James W Pritchett
Apr 7, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Kyoung-Tak KangYong-Gon Koh
Sep 25, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Masaru HadaYasuharu Nakashima
Sep 6, 2019·BMC Musculoskeletal Disorders·Takashi HiguchiMakoto Osaki
Apr 24, 2020·Radiology and Oncology·Mohammadreza TabaryMostafa Shahrezaee
Oct 2, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Malin MeierAndre Friedrich Steinert
May 12, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Malin MeierRaymond Best
Jul 5, 2019·Der Orthopäde·Silvan WittenbergClemens Gwinner
May 30, 2020·Journal of Orthopaedic Surgery·Hee-June KimHee-Soo Kyung

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