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Your knees are an important part of walking, running and moving around every day. From dancing and jumping to kicking and kneeling, they provide the stability that allows your legs to move in many directions.
One of the largest joints in the body, the knee is a ‘weight bearing’ joint that is crucial to many movements. Bones, ligaments, cartilage, and tendons work together to help your legs function properly. The knee connects the femur (thigh bone) to the tibia (shin bone), and together with the fibula and patella (kneecap) make up the knee joint.
Bending your knee is called “flexion,” and straightening your knee is called “extension.”
Here are some other important parts of the knee to know:
Because the knee is such a complex joint, knee pain is very common and there can be many causes – from injuries to mechanical problems to arthritis and more.