Canon, the worldwide market leader in digital cameras, celebrates the 20th anniversary of its top-selling EOS single lens reflex camera system by announcing the EOS-1D Mark III Digital SLR, the world's fastest digital SLR camera.
A. An anterior cruciate ligament, or ACL, injury is a tear in one of the knee ligaments that joins the upper leg bone with the lower leg bone.The ACL keeps the knee stable.our ACL can be injured if your knee joint is bent backward, twisted, or bent side to side. The chance of injury is higher if more than one of these movements occurs at the same time. Contact (being hit by another person or object) also can cause an ACL injury. An ACL injury often occurs during sports.
ACL Tears - How to Treat a Torn Anterior Cruciate Ligament. 1  Causes and symptoms of ACL tears: While ACL tears are common in sports, they happen most often without contact. 2  How it is decided to have ACL surgery: Pros and cons of having ACL surgery.