Which of the following describes the movement of the menisci during closed kinetic chain medial rotation of the tibiofemoral joint?
a. Medial meniscus moves posteriorly; lateral meniscus moves anteriorly.
b. Medial meniscus moves anteriorly; lateral meniscus moves posteriorly.
c. Medial meniscus moves superiorly; lateral meniscus moves posteriorly.
d. Medial meniscus moves anteriorly; lateral meniscus moves superiorly.
ANS: A
Due to the mechanics described above, there will be a difference in the direction of motion of the medial and lateral meniscus during closed kinetic chain activity. In medial rotation of the femur on the tibia, the meniscus will follow the motion of the femur, and the medial meniscus will move posteriorly while the lateral meniscus moves anteriorly.
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