What is Structural Integration?
Why it " is a system of manual therapy and sensorimotor education that purports to improve human biomechanical functioning as a whole rather than to treat particular symptoms". That's what Eric Jacobson says, and he says a lot more on the National Center for BioTechnology/US National Library of Medicine page devoted to SI. Taken from the Journal for Alternative and Complimentary Medicine. Required Reading.
Tip of the hat to Emily Gordon!