PMID: 22577999Jan 1, 2011Paper

Kinematic and kinetic analysis of the knee joint before and after a PCL retaining total knee replacement during gait and single step ascent

Journal of Long-term Effects of Medical Implants
Alexandros ApostolopoulosNikolaos Efstathopoulos

Abstract

The objective of this study was to capture and analyze the kinetics and kinematics and determine the functional performance of the osteoarthritic knee after a posterior cruciate ligament (PCL) retaining total knee arthroplasty. Kinematic and kinetic gait analysis of level walking was performed in 20 subjects (12 female and 8 male) with knee ostoarthritis. These patients were free of any neurological diseases that could affect their normal gait. Mean age was 69.6 ± 6.6 years; mean height was 157.6 cm ± 7.6 cm; and mean weight was 77.2 ± 12.1 kg. Full body gait analyses were performed using the BIOKIN 3D motion analysis system before and 9 months after total knee arthroplasty procedures. Single-step ascending kinetic analyses and plantar pressure distribution analyses were also performed for all subjects. International Knee Society Scores (IKSSs) were also assessed pre- and postoperatively. Significant increases were noted postoperatively in average cadence (preoperative mean = 99.26, postoperative mean = 110.5; p < 0.004), step length (preoperative mean = 0.49, postoperative mean = 0.54; p < 0.01) , and walking velocity (preoperative mean = 0.78, preoperatively, postoperative mean = 0.99; p < 0.001). Decreases in stance duration...Continue Reading

Citations

Mar 5, 2014·Journal of Magnetic Resonance Imaging : JMRI·Ning XueRaphael Schwarz
Oct 3, 2018·Haemophilia : the Official Journal of the World Federation of Hemophilia·Fabio Massimo UlivieriElena Santagostino

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