causes of acl tears
Patients who have an ACL tear often have sustained an injury to the knee. The injury is often sports-related. They may have felt a pop in their knee, and the knee usually gives-out from under them. ACL tears cause knee swelling and pain. On examination, your doctor can look for signs of instability of the knee. These special tests place stress on the ACL, and can detect a torn ligament. An MRI may also be used to determine if the ligament is torn, and also to look for signs of any associated injuries in the knee.
Anterior Cruciate Ligament (ACL) Injuries - Cause. Anterior Cruciate Ligament (ACL) Injuries. Anterior Cruciate Ligament (ACL) Injuries. Anterior Cruciate Ligament (ACL) Injuries. Anterior cruciate ligament (ACL) injuries are caused when the knee is straightened beyond its normal limits (hyperextended), twisted, or bent side to side. Changing direction quickly or cutting around an obstacle or another player with one foot solidly planted on the ground.