The fascial system is the macrotubules filled with fluid that make up the fascia and how they interact with the other structures of the body, such as veins, nerves, other body systems (lymphatic system, endocrine system, etc.), bones, arteries, etc. It is a system because it does interact with the body. It does not just exist in one place. It penetrates every cell from brain to skin. Restrictions or adhesions affect the fascial system and may result in pain anywhere in the body. Working with the fascial system requires much experience and an extremely sensitive touch.