Piriformis Syndrome Signs and Symptoms
Piriformis explained The sciatic and peroneal nerve, pictured above, is a thickest and longest nerve in the body. Sometimes both of these nerves pass the underside of the piriformis muscle before dividing (first picture on left),and sometimes they divide and only the sciatic nerve passes through the piriformis muscle (second picture below). Other times they both pass through the piriformis muscle before travelling down the back of the leg, and eventually branching