What is Fascia? Fascia is tough connective tissue that creates a 3-dimensional web extending without interruption from head to toe. Fascia surrounds and infuses every muscle, bone, nerve, blood vessel, and organ, all the way down to the cellular level. The fascial system affects every system and function in your body- musculoskeletal, neurological, metabolic, etc. The white, glistening fibers you see when you pull a piece of meat apart or when you pull chicken skin away is f