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The bones of the knee and the leg include the femur, which is the large thigh bone; the tibia and fibula, which are the leg bones between the knee and ankle; and the patella, which is sometimes called the kneecap.
Compartments. Compartments of the Knee (image courtesy of: ConforMIS). The knee joint is at the juncture of the femur (your thighbone) and the tibia (the lower leg or shin bone). The femur is attached to the tibia by ligaments.The patella (your kneecap) is at the front of the knee joint.The joint consists of three âcompartmentsâ or sections: 1  Medial Compartment (inner half of your knee).ompartments. Compartments of the Knee (image courtesy of: ConforMIS). The knee joint is at the juncture of the femur (your thighbone) and the tibia (the lower leg or shin bone). The femur is attached to the tibia by ligaments.The patella (your kneecap) is at the front of the knee joint.