A pop! The sound of cracking! A feeling of glass breaking! Descriptions may differ. But each represents the tearing of the anterior cruciate ligament (ACL) of the knee joint – a problem that is 8 times more likely to affect teenage females than males.
What is an ACL Tear? The ACL is one of four ligaments that stabilize the knee. It’s a rubber band-like fiber about the size of your little finger that runs through the knee joint, attaching the thigh to the shin.