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Updated: Jul 13, 2026
04:59
Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat
Published on: November 9, 2018
Knee flexion after total knee arthroplasty
1Department of Orthopaedics and Traumatology, Yan Chai Hospital, Hong Kong. lipanghei@yahoo.com.hk
Journal of Orthopaedic Surgery (Hong Kong)
|August 22, 2007
Summary
Advanced age, female gender, and good preoperative knee flexion influence outcomes after total knee arthroplasty (TKA). Posterior stabilized prostheses offer superior results in Chinese patients.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
Background:
- Total knee arthroplasty (TKA) aims to restore knee function.
- Identifying factors influencing postoperative knee flexion is crucial for patient outcomes.
Purpose of the Study:
- To determine factors affecting knee flexion following TKA in a Chinese population.
- To evaluate the impact of patient demographics and preoperative conditions on TKA outcomes.
Main Methods:
- Retrospective review of 242 TKA cases.
- Analysis of patient age, gender, diagnosis, preoperative range of motion, tibiofemoral angle, and implant design.
Main Results:
- Older age, female gender, and greater preoperative flexion/flexion arc correlated with improved postoperative knee flexion.
- Postoperative flexion showed a tendency to centralize regardless of preoperative range.
- Preoperative malalignment of the tibiofemoral angle did not significantly impact postoperative flexion.
Conclusions:
- Modern posterior stabilized prostheses with specific femoral components outperform older designs.
- Optimizing patient selection and implant choice can enhance TKA functional recovery.
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