Final answer:
The popliteal fossa contains the popliteal artery, popliteal vein, nerves, and lymph nodes. It is surrounded by muscles such as the gastrocnemius and soleus.
Step-by-step explanation:
The popliteal fossa is located on the lateral surface of the leg and contains various structures. The contents of the popliteal fossa, from superficial to deep, include the popliteal artery, popliteal vein, common fibular nerve, tibial nerve, and popliteal lymph nodes. The popliteal fossa is also surrounded by muscles such as the gastrocnemius, plantaris, and soleus.