Posterior knee pain refers to pain located behind your kneecap (popliteal). Knee pain more commonly presents itself in the anterior, medial, and lateral aspect of your knee and less often in the posterior aspect of your knee.

Where is the posterior of the knee?

The popliteal fossa (sometimes referred to colloquially as the knee pit, or poplit) is a shallow depression located at the back of the knee joint. The bones of the popliteal fossa are the femur and the tibia.

What is posterior knee pain?

When a person experiences pain in the back of their knee when straightening their leg, it is called posterior knee pain. Pain in the back of the knee, called the popliteal fossa, is common, but there is a wide range of causes, ranging from ligament injury to arthritis.