DR HQ: Anatomy 101—Cartilage injuries of the knee

When we hear about knee injuries in both baseball players or in friends, the most common type of injury (or so it seems) is torn cartilage. We are going to focus on cartilage injuries of the knee in this edition of Anatomy 101.

Articular Cartilage
In the knee joint, there are three bones: the femur (thigh bone), tibia (shin bone) and fibula. On the surface of these bones in the proximity of the joint they are coated with a cartilage called articular cartilage. Articular cartilage provides protection along with synovial fluid to form some of the smoothest surfaces in the body. It is this type of cartilage that helps provide protection of the surfaces of the bones from the repetitive motions of the working knee.

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