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Posterior cruciate-retaining total knee arthroplasty exhibits small kinematic changes in the first postoperative year.
Knee Surg Sports Traumatol Arthrosc
March 2023
Department of Mechanical and Aerospace Engineering, University of Florida, 939 Center Drive, PO Box 116250, Gainesville, FL, 32611, USA.
Purpose: Fluoroscopic knee kinematics have historically been quantified at least 1 year after total knee arthroplasty (TKA). The purpose of this study was to longitudinally assess knee kinematics at 6-12 weeks, 6 months, and 1 year after TKA to determine if earlier evaluation may be justified.
Methods: Twenty-one patients participated after undergoing TKA with a posterior cruciate ligament-retaining fixed-bearing prosthesis.
Dual-pivot bearings improve ambulation and promote increased activity levels in Total knee arthroplasty: A match-controlled retrospective study.
Knee
December 2019
Indiana University School of Medicine, Department of Orthopaedic Surgery, 1120 West Michigan Street, Suite 600, Indianapolis, IN 46202, USA; Indiana University Health Physicians, Indiana University Health Hip & Knee Center, 13100 East 136(th) Street, Suite 2000, Fishers, IN 46037, USA. Electronic address:
Background: Modern understanding of native knee kinematics reveals more complex pattern of lateral-pivot in early flexion activities, and medial-pivot in deeper flexion (i.e. dual-pivot).
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