knee joint in 12 pieces anatomy and pathologyKnee Joint, in 12 Parts Anatomy and Pathology To complement our Joints and Muscles Kit, we are proud to present this twelve piece knee model. It shows the various removable muscles and muscle parts of the knee region. The colored and raised areas indicate the muscle origin and insertion points on the femur, tibia, and fibula. Portions of the fibular and tibial collateral ligaments are also shown. All leg muscles are easily removed, allowing for the