PCL Tear ➡️ Quad Strengthening [What it is and Rehab techniques] . A posterior cruciate ligament (PCL) injury are less common than ACL injuries because the PCL is much broader and much stronger. This tear is most common with sports such as skiing, soccer, and football. . The most frequent mechanism of PCL injury is a direct blow to the anterior aspect of the proximal tibia when the knee is flexed, resulting in posterior translation of the tibia platform. Hyperextension and rotational or varus/va