ACL INJERY

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ACL Injuries:  

An injury to the anterior cruciate ligament, also known as the ACL, is a common sports-related injury. Athletes who sustain an injury to the ACL often require surgical treatment. What is so important about the ACL that an athlete would have to undergo major surgery for effective treatment?

What Is the ACL?

The anterior cruciate ligament (ACL) is one of four primary stabilizing ligaments in the knee joint. The purpose of these four ligaments is to allow normal knee motions, but to limit abnormal motions. When the ACL is injured, the knee may become unstable. People who have an ACL injury often describe a sensation that their knee "gave out" from under them. Understanding what the ACL does will help you understand why it is such an important ligament.

When You Have An ACL Tear 

  How is an ACL tear diagnosed?

 ACL injuries are often diagnosed simply by knowing what happened to the athlete and what symptoms he or she is experiencing. The physical examination is the most reliable way to diagnose an ACL tear. X-rays and MRIs may also be needed. Other common symptoms of an ACL tear include knee swelling and a sensation that the knee wants to "give out" from under the patient.

? Do I need an MRI

 An MRI may or may not be necessary for patients who have a suspected injury to the ACL. A MRI is not as good at detecting an ACL tear as a physical examination. Very interesting! Many people have the belief that MRIs are somehow "better," but this is not necessarily true. MRIs are helpful when the examination is unclear, and they can also be helpful at detecting other injuries within the knee, such as a meniscus tear. However, a good physical examination is still a more reliable test to detect an ACL injury!

Initial Treatment of ACL Injuries 

  Ice an Injury

 One of the most important things to do after an ACL injury, or any knee injury for that matter, is to control swelling. Icing the injured knee will help control the swelling. This will serve two purposes. First, swelling stretches the joint capsule and synovial lining, and this causes pain. Controlling the swelling will help control pain. Second, by controlling the initial inflammatory response, the patient will be able to continue moving the knee. Studies have shown that maintaining range of motion will help to limit scar tissue formation and improves the results of later surgery.