Kneeling kinematics after total knee arthroplasty: anterior-posterior contact position of a standard and a high-flex tibial insert design.

Authors:
Kathryn M Coughlin
Kathryn M Coughlin
McClure Musculoskeletal Research Center
United States
Stephen J Incavo
Stephen J Incavo
Houston Methodist Hospital
Houston | United States
Robert R Doohen
Robert R Doohen
USD School of Medicine
Vermillion | United States
Kazuyoshi Gamada
Kazuyoshi Gamada
Hokkaido Chitose Institute of Rehabilitation Technology
Scott Banks
Scott Banks
University of Florida
Bruce D Beynnon
Bruce D Beynnon
McClure Musculoskeletal Research Center
Burlington | United States

J Arthroplasty 2007 Feb;22(2):160-5

Department of Orthopaedics and Rehabilitation, McClure Musculoskeletal Research Center, University of Vermont College of Medicine, Burlington, Vermont 05405, USA.

Deep flexion activities including kneeling are desired by patients after total knee arthroplasty. This in vivo radiographic study sought to reveal the effect of tibial insert design on tibiofemoral kinematics during kneeling. One group of patients received standard posterior stabilized tibial inserts, whereas the other group received posterior stabilized tibial inserts (Flex inserts) that were designed to allow more flexion. The patients with the Flex inserts achieved greater range of motion without different tibiofemoral contact behavior.

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http://dx.doi.org/10.1016/j.arth.2006.05.023DOI Listing

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February 2007
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