Posterior cruciate ligament (PCL) injuries are difficult to detect bec
ause patients rarely present with findings that suggest a severe ligam
ent injury, The keys to diagnosis include learning the mechanism of in
jury and performing a posterior drawer test, A complete knee exam rule
s out associated injuries, Nonoperative treatment is indicated for low
-grade, isolated PCL injuries, but patients should be monitored for an
y degenerative changes, Combined injuries, high-grade injuries, and av
ulsion fractures require surgery, Rehabilitation goals for all PCL inj
uries include regaining full range of motion and quadriceps strength.