Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The popliteal fossa is a space or shallow depression located at the back of the knee-joint. The bones of the popliteal fossa are the femur and the tibia. Colloquially, it is referred to as a "knee pit."The roof is formed by (from superficial to deep). 1. Skin. 2. Superficial fascia which contains short saphenous vein, three cutaneous nerves i.e, terminal branch of posterior cutaneous nerve of thigh, posterior division of medial cutaneous nerve, and peroneal or sural communicating nerve. 3.Deep fascia or popliteal fascia.The floor is formed by. 1.The popliteal surface of femur 2.Capsule of knee joint and the oblique Popliteal ligament 3.strong fascia covering the Popliteal muscleThe roof contains a portion of the small saphenous vein and posterior cutaneous nerve of the thigh.