A tear in the anterior cruciate ligament is known as ACL tear. It is one of the major ligaments in the knee. Athletes and women who wear high heels for long hours are likely to suffer from an ACL tear often. ACL tear is commonly witnessed in players related to soccer, football, cricket, basketball etc where sudden jumping, landing and other such body movements are required. The surgery to reconstruct a torn or injured ACL is known as ACL Reconstruction.