Anterior Cruciate Ligament Sprain (ACL Sprain)

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Anterior Cruciate Ligament Sprain
Anterior cruciate ligament (ACL) sprain is a partial or complete stretch or tear of the ligament. This injury is relatively common among athletes and physical activity enthusiasts.It occurs mainly during a sudden pivot, a hyperextension movement of the knee, a jump or after a contact behind the leg. Movements that cause rapid twisting or hyperextension of the knee joint can lead to ACL injury.An audible creak may be heard at the time of injury and the knee may sometimes appear unstable.


Structures involved

The anterior cruciate ligament is the main structure involved. The function of the ​anterior cruciate ligament is to stabilize the knee and prevent hyperextension. ACL sprains often occur in conjunction with other knee injuries such as torn m​ eniscus​, ​articular cartilage​ lesion​ o​ r ​collateral ligament​ injury.


Signs & Symptoms that you may experience

Each person will react differently after an injury and recovery will depend on the severity of the injury. Sprained ACL can produce, but is not limited to,​ pain and swelling, often immediate, around the knee. The range of motion of the knee is often limited and the knee may be sensitive to touch.



Your rehabilitation plan, health profile, fitness level and nutritional status affect the recovery time. In most cases, you can expect full recovery from an ACL sprain. Typically, this injury can take a few months to fully recover.

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