Anterior cruciate ligament plasty, is an outpatient surgical procedure that is performed through small cuts around the knee joint, is a reconstructive surgery of the ligament that is in the center of the knee, the broken ligament is removed and Replace with a part of a tendon from another knee area or from a deceased donor. The anterior cruciate ligament (ACL) holds the shin bone (tibia) in place, a rupture of this ligament can cause the knee to loosen during physical activity.