Abstract
Objectives: This paper studies the patellar tendon release’s effect on the movement characteristics of the artificial patellofemoral joint squat to provide reference data for knee joint surgery. Methods: Firstly, the dynamic finite element model of the human knee joint under squatting was established. Secondly, in the above no-release models, the release of 30% of the attachment area at the upper end, the lower end, or both ends of the patellar tendon were conducted, respectively. Then the simulations of all above four models were conducted. Finally, the results of the simulation were compared and analyzed. Results: The simulation results show that, after releasing the patellar tendon (compared with the no-release simulation’s results), the relative flexion, medial-lateral rotation, medial-lateral tilt, and superior-inferior shift of the patella relative to the femur increased; the medial-lateral shift and anterior-posterior shift of the patella relative to the femur decreased. Conclusion: In this paper, the maximum flexion angle of the patella increased after the patellar tendon being released (compared with the no-release model), which indicated that the mobility of knee joint was improved after the patellar tendon release. The simulation data in this paper can provide technical reference for total knee arthroplasty.
Highlights
With the application of prostheses in total knee arthroplasty (TKA), post-operative complications concomitantly usually occur [1]
The four different knee joint finite element models were imported into the finite element analysis
This paper investigates the patellar tendon release’s effect on the movement characteristics of the artificial patellofemoral joint squat
Summary
With the application of prostheses in total knee arthroplasty (TKA), post-operative complications concomitantly usually occur [1]. One of these complications, often being ignored, is patella baja [2,3,4]. Other studies [6,10] indicate that the patellar tendon can be shortened, the position of the patella lowered, reducing the knee joint movement and variation. A slightly low patella does not, affect the function of the knee joint. Patients with pseudo-patella baja and slight joint line up, and those that do not affect knee function, are treated with follow-up observation
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
