The popliteal lymph nodes are behind the knee. Conditions such as infections and autoimmune conditions can cause swelling, but it is rarely due to cancer. Learn more.

Anatomy of the Knee. The knee joint's main function is to bend, straighten, and bear the weight of your body ... MRI uses large magnets to create a 3D image of the knee.

A knee bursa, also known as a subcutaneous prepatellar bursa, aids with movement when we walk, run, stretch, or even cross our legs. A knee bursa basically functions as a cushion; ...

Anatomy of a human knee. Credit: Rasi Bhadramani/iStock/Getty Images Plus. Analysis of knee joints from adult human cadavers provides new insights into the functions of a ligament that helps ...