Long ignored or thought of as packing material filling the space between skin and muscles, fat is finally getting its recognition as essential to human health and a part of the fascial system massage therapists tend to every day.
The IT band functions as part of a 3D system with connections above to the gluteus maximus, gluteus medius, and tensor fascia lata; below to the lateral knee; and deep to the femur via the lateral intermuscular septum.