Anterior cruciate ligament is crucial for stabilizing the knee and enabling movement. injuries frequently happen during sport activities, especially with quick direction changes, abrupt stops, or jumping, like soccer, basketball, and tennis. minor injuries may not produce much a noticeable sound or swelling, but severe injuries can bring a loud pop sound and significant swelling. women are at higher risk than males, 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.