What is an ACL Injury?
An ACL injury happens when there is a tear of the anterior cruciate ligament (ACL), this is one of the primary ligaments in the knee. ACL injuries are most common in a sport that requires you stop suddenly. This could be jumping, foot but, tennis, gymnastics, football, downhill, volleyball. Many people say they hear or feel at the time that the ACL injury occur. The knee may begin to swell…