LKnative - Popliteal sciatic nerve block 
The green colour depicts the peroneal communicating nerve
15 – The peroneal communicating nerve
The peroneal communicating nerve (also known as the sural communicating nerve) is a branch of the common peroneal nerve
It arises in the popliteal fossa and runs distally on the calf and joins the sural nerve in the subcutaneous fat