The American Counseling Association is a not-for-profit, professional and educational organization that is dedicated to the growth and enhancement of the counseling profession. Founded in 1952, ACA is the world's largest association exclusively representing professional counselors in various practice settings.
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.
Tendons connect the knee bones to the leg muscles that move the knee joint. Ligaments join the knee bones and provide stability to the knee: 1  The anterior cruciate ligament prevents the femur from sliding backward on the tibia (or the tibia sliding forward on the femur).