Can Patellar Tendon Angle Reveal Sagittal Kinematics in Total Knee Arthroplasty?

Overview

Journal Knee Surg Sports Traumatol Arthrosc

Publisher Wiley

Specialties Emergency Medicine
General Surgery
Orthopedics

Date 2010 Feb 18

PMID 20162258

Citations 11

Authors

R Stagni

S Fantozzi

F Catani

A Leardini

Affiliations

Soon will be listed here.

Abstract

The Patellar Tendon Angle is strongly correlated with both patello-femoral and tibio-femoral joint kinematics. Thus, the Patellar Tendon Angle might be regarded as a concise indicator of the antero-posterior translation of the femur with respect to the tibia. Twelve subjects, who had undergone total knee arthroplasty, were investigated by video-fluoroscopy during step-up/down. The kinematics at the replaced knee was reconstructed by means of 3D fluoroscopy. The Patellar Tendon Angle and the knee-flexion angle were measured on sagittal fluoroscopic images with software designed for the purpose. The slope of the linear trend of the Patellar Tendon Angle versus knee-flexion angle relationship correlated significantly with the mean (p = 0.001), most anterior (p = 0.001), and most posterior (p = 0.016) position reached by the femur over the tibia. The Patellar Tendon Angle versus knee-flexion angle relationship provides relevant information about the anterior or posterior positioning of the femur over the tibia, but it cannot be interpreted as quantification of the actual antero-posterior translation of the femur over the tibia.

Citing Articles

Effects of Weight-Bearing on Tibiofemoral, Patellofemoral, and Patellar Tendon Kinematics in Older Adults.

Kefala V, Ali A, Hamilton L, Mannen E, Shelburne K Front Bioeng Biotechnol. 2022; 10:820196.

PMID: 35497367 PMC: 9048742. DOI: 10.3389/fbioe.2022.820196.

Patellofemoral kinematics in healthy older adults during gait activities.

Kefala V, Ali A, Mannen E, Shelburne K Hum Mov Sci. 2020; 75:102746.

PMID: 33378727 PMC: 7855920. DOI: 10.1016/j.humov.2020.102746.

Sagittal patellar flexion angle: a novel clinically validated patellar height measurement reflecting patellofemoral kinematics useful throughout knee flexion.

Dan M, McMahon J, Parr W, Briggs N, MacDessi S, Caldwell B Knee Surg Sports Traumatol Arthrosc. 2019; 28(3):975-983.

PMID: 31289916 DOI: 10.1007/s00167-019-05611-2.

Three-dimensional patellar tendon fibre kinematics in navigated TKA with and without patellar resurfacing.

Belvedere C, Ensini A, Damato M, Barbadoro P, Leardini A Knee Surg Sports Traumatol Arthrosc. 2016; 25(12):3834-3843.

PMID: 27738741 DOI: 10.1007/s00167-016-4343-3.

Does patellofemoral geometry in TKA affect patellar position in mid-flexion?.

Saffarini M, Zaffagnini S, Bignozzi S, Colle F, Marcacci M, Dejour D Knee Surg Sports Traumatol Arthrosc. 2015; 23(6):1799-807.

PMID: 25763848 DOI: 10.1007/s00167-015-3565-0.

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