Medial meniscus extrusion distance was defined as the distance from the outermost edge of the medial meniscus to a line connecting the femoral and tibial cortices. Eight-hundred fourteen consecutive patients who underwent an arthroscopic procedure for the medial compartment of the knee were evaluated retrospectively. The knee meniscus has a wedged kidney shape.
We suggest applying a slight valgus force for the medial meniscus and a slight varus force for the lateral meniscus at the time of suture fixation such that the femoral condyle does not obstruct the reduction of the meniscus in the tunnel (Fig 4 and Table 1). Medial meniscus injury is a common cause of knee joint pain.
A medial meniscus tear is more common than a lateral meniscus tear, because it is firmly attached to the deep medial collateral ligament and the joint capsule. 5 Best Knee Braces for Torn Medial Meniscus. Meniscal injuries, particularly sports-related injuries, usually involve damage due to rotational force. The examiner then medially rotates the tibia and extends the knee. A common mechanism of injury is a varus or valgus force directed to a flexed knee. Each knee joint possesses a medial meniscus and a lateral meniscus. The medial meniscus is an important shock absorber on the medial aspect of the knee joint. It is also referred to as the internal semilunar fibrocartilage.The medial meniscus has more of a crescent shape while the lateral meniscus is more circular. The weight distribution function of the meniscus is maintained primarily by circumferential hoop tension, the loss of which has been extensively implicated in the development of osteoarthritis1,2,3).Several studies have demonstrated that the loss of hoop tension in knees with root tears of the medial meniscus (MM) would cause uneven weight distribution across the knee, … Article Last Updated: May 1, 2020. Medial meniscus refers to that semi-circular band lying by the knee joint, between the medial condyle of the femur and the tibia. Download : Download high-res image (378KB) Download : Download full-size image; Fig 3. Variables with p < 0.05 were included. Introduction. Medial meniscus extrusion distance was defined as the distance from the outermost edge of the medial meniscus to a line connecting the femoral and tibial cortices. This concept is supported by maneuvers such as the Payr and Bohler tests, described in the earlier literature; in the former maneuver, the patient sits cross-legged placing a stress on the medial meniscus, and in the latter, a simple varus and valgus stress elicits pain with compression of the meniscus.
Meniscus injuries commonly occur in contact sports; often in combination with ligament injuries, particularly when the medial meniscus is involved. This is partly because the medial meniscus is attached to the medial collateral ligament, and partly because tackles are often directed towards the lateral side of the knee, causing external rotation of the tibia. From these parameters, postoperative alignment was estimated using regression and receiver operating characteristic curve analyses.
Variables with p 0.05 were included.
From these parameters, postoperative alignment was estimated using regression and receiver operating characteristic curve analyses. In addition, the medial meniscus absorbs up to 50% of the shock of the medial compartment, making the medial meniscus susceptible to injury. The medial meniscus is a fibrocartilage semicircular band that spans the knee joint medially, located between the medial condyle of the femur and the medial condyle of the tibia. To analyze the effect of percutaneous pie-crusting medial release on valgus laxity before and after surgery and on clinical outcomes.
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