An ACL rupture is usually felt as the knee “giving way,” buckling, or when a person hears a “pop” or “snap” inside the knee. A physical therapist or physician usually conducts physical ...

An awkward step or twist can cause that brief, oh-my-god-I’ve-done-it-now burst of pain, sometimes followed by a sensation of ...

[44] In ACL injuries, the player may feel a "pop" or a tear before the knee gives way. A knee effusion frequently develops shortly thereafter. The most sensitive clinical test is the Lachman ...