ArticleJournal of experimental orthopaedics2022
In-vivo assessment of meniscal movement in the knee joint during internal and external rotation under load.
Article in Journal of experimental orthopaedics, 2022. 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.
- Alignment-dependent changes in tibiofemoral contact mechanics after selective medial soft tissue release during medial meniscus posterior root repair: an exploratory human cadaveric study.International orthopaedics · 2026Article
- In vivo dynamic intrusion and extrusion of the menisci in varus and valgus load within a healthy population.Journal of experimental orthopaedics · 2025Article
- In vivo movement interrelationships among the medial meniscus, joint capsule, and semimembranosus during tibial rotation.Scientific reports · 2024Article
- Excessive Knee Internal Rotation during Grand Plié in Classical Ballet Female Dancers.Sports (Basel, Switzerland) · 2024Article
- Validation of a Finite Element Simulation for Predicting Individual Knee Joint Kinematics.IEEE open journal of engineering in medicine and biology · 2024Article
- A new tibial insert design with ball-in-socket medial conformity and posterior cruciate ligament retention closely restores native knee tibial rotation after unrestricted kinematic alignment.Journal of experimental orthopaedics · 2023Article
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10 authors.
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Abstract
purposeThe menisci transmit load between femur and tibia and thus play a crucial role in the functionality of the knee joint. Knee joint movements have a major impact on the position of the menisci. However, these meniscus movements have not yet been assessed in a validated setting. The objective of this study is to evaluate the meniscal movements in MRI with prospective motion correction based on optical tracking under loading via internal and external tibial torques.
methodsThirty-one healthy volunteers were recruited for this study. MRI scans were performed in internal and external rotation induced by a torque of 5 Nm, using a 3 T MRI. A validated software used the generated images to calculate the absolute meniscus movements as the sum of all vectors. Differences between subgroups were analyzed by using a Wilcoxon signed-rank test.
resultsThe MM shows an average movement of 1.79 mm in anterior-lateral direction under internal rotation and 6.01 mm in posterior-lateral direction under external rotation, whereas the LM moves an average of 4.55 mm in posterior-medial direction under internal rotation and 3.58 mm in anterior-medial direction under external rotation. When comparing the overall meniscus movements between internal and external rotation, statistically significant differences were found for total vector length and the direction of meniscus movements for medial and lateral meniscus. The comparison between medial and lateral meniscus movements also showed statistically significant differences in all categories for internal and external rotation.
conclusionsOverall, the MM and LM movements in internal and external rotation differ significantly in extent and direction, although MM and LM movements in opposite directions during internal and external rotation can be observed. In internal rotation, most meniscus movements were found in the IHLM. In external rotation, the IHMM showed the greatest mobility. Segment analysis of internal vs. external rotation showed less difference in LM movements than MM. LEVEL OF EVIDENCE: Level II.
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