Popliteal artery entrapment syndrome (PAES) is a rare condition affecting the artery in the back of the knee. It causes pain in the lower legs during exercise. The popliteal artery runs behind the ...
A popliteal cyst, also known as a Baker’s cyst, is a fluid-filled swelling that causes a lump at the back of the knee, leading to tightness and restricted movement. The cyst can be painful when you ...