A torn cartilage at the knee joint is commonly seen after a twisting injury. This generally occurs in athletic activities or road accidents. The ‘cartilage’ referred to in this colloquial term, is not the articular cartilage, which normally covers the ends of bones in a joint. It refers to a specialized cartilaginous structure present between the bones (Picture 1) at the knee joint, which is called a meniscus (pl. menisci). The menisci are highly important for stabilizing the knee as well as making it capable of bearing the weight of the body. They also help in lubricating the joint for smooth movements.


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