Grade 2 Sprains. A Grade 2 sprain stretches the ligament to the point the place it turns into free. This is frequently often called a partial tear in the ligament. This title is fitting since the ACL crosses the posterior cruciate ligament to type an "X". It is made up https://www.diigo.com/item/note/a9k82/4ae5?k=61baec2e46bfd8bb31636642b83604c2