The Anterior Cruciate Ligament is key for stability and movement in the knee. injuries can occur during sport activities, especially with sudden cuts, abrupt stops, or jumps, including soccer, basketball, and tennis. less severe injuries may not produce much a noticeable sound or swelling, but serious injuries may cause a loud popping sound and major swelling. women face greater risk than the men, linked to anatomy, muscle strength, and playing style. rehabilitation and reconstruction surgery are widely used treatments for ACL injuries, to restore knee function and strength.