Knee Anatomy

A proper and healthy joint of knee comprises of two important ligaments namely, Anterior Cruciate Ligaments or ACL and Posterior Cruciate Ligament or PCL that is responsible for the movements of the knee such as rotation and bending and they also associate the thighbone top shinbone.

The Posterior Crucilate Ligament or PCL is two times thicker than an ordinary ACL and these are lesser chances or risks of PCL injury. While the breadth is 13 mm almost, the length is equivalent to that of an ACL. The PCL emanates from the posterior position to the front and lies opposite to that of ACL.

Although, the injury of PCL does not cause as much pain and inflammation as compared to ACL, it may take weeks before one can expect get a recovery from this injury. Basically, it is important for the patients to understand the knee anatomy in order to understand the implications of knee injury or surgeries due to inflammation of the knee.

The PCL injury is also referred to as hyperextended knee, knee injury – posterior cruciate ligament or cruciate ligament injury – posterior. The major reasons for this injury are the collision of the lower bone or tibia with some hard surface or object, the next is a major fall on the knee whole playing the game of soccer or the last thing can be an injury due to bad movement or due to losing balance.

There are some other reasons for PCL injury that includes moving or bending of the knee a little too much than normal that is also referred to as hyperextension. The symptoms of the same may include extreme pain in the knee region followed by instant swelling of the knee within minutes of injury, adversities while walking or sensitivity of the knee or non resistance of the knee. Sometimes, the patients may have a feeling as if they have lost control over their knee.
Although, the injury of PCL may not be as bad as it feels, if the associated ligaments are injured in the process, the symptoms can be worse and it may take long before a person can have control over the knee region. Men are more likely to suffer from PCL injury than a woman and the rati is relatively higher among people who are engaged with games like football, cricket or other similar games.

For treating such conditions, the doctor will first enquire about the medical history of the concerned person or whether the person had undergone any accident in the past. Thereafter the doctor will conduct a physical examination of the knee region. One of the most important tests for treating such conditions is the posterior drawer test and doctors may advise a surgery only if the ligaments in that area suffer from a major damage or else it may not be required at all. If you are not having proper knowledge of the knee anatomy, you will never be able to understand the reasons for the treatment that may be suggested by your doctor. However, this article is only intended to provide information to those who are suffering from an injury of PCL and for them to get better treatment options.

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