Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The popliteal fossa is the shallow depression located at the back of the knee joint, where the thigh and calf muscles converge. It harbors important nerves and blood vessels that supply the lower leg.
Related terms
Hamstring muscles: These are three posterior thigh muscles that play a crucial role in flexing the knee and extending the hip.
Tibial nerve: This is a major nerve that passes through the popliteal fossa, providing motor and sensory functions to parts of the lower leg and foot.
Popliteal artery: The main artery located in the popliteal fossa, supplying oxygenated blood to the knee joint, and parts of the thigh and lower leg