About This Lesson
Key info including....The knee joint is made up of three bones and a variety of ligaments*. The knee is formed by the femur (the thigh bone); the tibia (the shin bone); and the patella (the kneecap). Several muscles and ligaments control the motion of the knee and protect it from damage at the same time.The main muscles that move the knee joint are the Quadriceps and Hamstring muscles. The Quadricep attaches to the patella; and the Patellar tendon (watch the spelling!) connects this muscle to the front of the tibia. When the quadricep muscles contract* the knee extends.