ArticleJournal of medical ultrasonics (2001)2023
Visualization of lateral meniscus extrusion during gait using dynamic ultrasonographic evaluation.
Article in Journal of medical ultrasonics (2001), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Defining and measuring varus thrust in knee osteoarthritis: A scoping review of current evidence and challenges.Osteoarthritis and cartilage open · 2025Review
- Ultrasound quantification of knee meniscal extrusion: the potential of weight-bearing and dynamic evaluations. A systematic review.EFORT open reviews · 2025Article
- Temporary meniscus extrusion is caused by cumulative stress from uphill and downhill tasks in healthy volunteers.Frontiers in sports and active living · 2024Article
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
purposeMedial meniscus extrusion is one of the risk factors for knee osteoarthritis (OA). However, lateral meniscus extrusion has not been discussed, and detailed information remains unknown. In particular, the lateral meniscus has high mobility and is expected to be difficult to evaluate in terms of its behavior under static conditions. Dynamic ultrasonographic evaluation was introduced to detect the dynamic behavior of the meniscus during walking. In this study, we aimed to investigate the behavior of the lateral meniscus during walking using dynamic ultrasonographic evaluation.
methodsSixteen participants with knee OA were recruited in this study. The change of lateral meniscus extrusion during walking was recorded using ultrasonography. Medial and lateral meniscal extrusion during the stance phase was measured, and meniscal mobility was defined as the difference in meniscal extrusion between minimum and maximum values (mm), medial meniscal extrusion (∆MME), and lateral meniscal extrusion (∆LME), respectively. The walking cycle and gait forms of lateral thrust were also evaluated using three-dimensional motion analysis systems and analyzed in terms of the correlation with ∆MME and ∆LME.
resultsThe lateral meniscus was depicted in the articular plane, and extrusion decreased during the stance phase of the gait cycle. The ∆LME was significantly higher than the ∆MME (p < 0.01). There was a significant positive correlation between ∆LME and lateral thrust (r = 0.62, p < 0.05).
conclusionsWe found that dynamic ultrasonographic evaluation can be used to visualize lateral meniscus extrusion during walking, and that its behavior is correlated to the degree of lateral thrust.
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