What’s Causing Pain in the Back of My Knee?

Posterior cruciate ligament (PCL) injury

The PCL is the ACL’s (anterior cruciate ligament) partner – a band of connective tissue that connects your shinbone to your thighbone. It also supports your knee and allows smooth movement. However, the risk of PCL injury is less as compared to the ACL.

You can get a PCL injury if you take a direct blow to the front of the knee, such as blunt trauma or in a car accident. Sometimes the injury may also occur from a missing step while walking and twisting the knee.

Along with pain and swelling of the knee, a PCL injury also causes:

  • Weakness of the knee
  • Stiffness
  • Trouble walking

Rest, ice massage, elevation, and light exercise can help an injury to the PCL heal faster. You might need medical or surgical intervention if you also have cartilage damage, have symptoms of instability, or injured more than one knee ligaments.

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