ArticleJournal of experimental orthopaedics2024
Proximal tibial anatomical axis and anterior tibial cortex-based measurements of posterior tibial slope on lateral radiographs differ least from actual posterior tibial slope-A biomechanical study.
Article in Journal of experimental orthopaedics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Proximal anatomical axes show bidirectional variability: Accurate tibial slope requires mechanical axis measurement.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Article
- Management of increased posterior tibial slope in ACL deficiency: A narrative review and recommendation of the Osteotomy Committee of the German Knee Society.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Review
- Posterior tibial slope increases over time in patients undergoing revision ACL reconstruction: A long-term radiographic follow-up study.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Article
- No association detected between posterior tibial slope, static anterior tibial translation and medial meniscus repair failure after anterior cruciate ligament reconstruction.Journal of experimental orthopaedics · 2026Article
- Posterior tibial slope and static anterior tibial translation are not associated with increased cyclops syndrome after anterior cruciate ligament reconstruction.Journal of experimental orthopaedics · 2026Article
- Proximal tibial anatomical axis and anterior tibial cortex-based measurements of posterior tibial slope on lateral radiographs differ least from actual posterior tibial slope-A biomechanical study.Journal of experimental orthopaedics · 2024Article
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Authors and funding
8 authors.
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Abstract
Purpose: To compare different measurement techniques of the posterior tibial slope (PTS) on lateral radiographs with the actual in situ PTS and evaluate the effect of tibial malrotation and image section length. Methods: Actual PTS was measured on eight fresh-frozen tibiae using a portable 6-axis measuring arm with an accuracy of ±0.01°. True lateral radiographs were taken in the neutral position and after applying 10/20/30° internal/external rotation (IR/ER) and 5/10/15° varus/valgus rotation. The PTS was measured radiographically using five different reference axes: anterior tibial cortex (ATC), anatomical tibial axis, proximal tibial anatomical axis (PTAA), posterior tibial cortex (PTC) and fibular shaft axis (FSA). Results: The ATC and PTAA methods showed the lowest deviation from the actual PTS, while the PTC method showed the highest difference of 5.5 ± 1.5° (medial) and 7.1 ± 1.8° (lateral) among all tested methods ( Conclusion: Tibial slope measurements have a high degree of variability between different measurement methods, while the ATC and PTAA methods showed the least deviation from the actual PTS measured in this in vitro model. Malrotation resulted in a severe distortion of the PTS values, which may alter preoperative planning and intraoperative results. Therefore, radiographic PTS measurements may be contrasted with more objective, reproducible and reliable measuring methods. Level of Evidence: There is no level of evidence as this study was an experimental laboratory study.
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