Non Invasive Assessment Of Spinal FunctionI spent a few years analyzing the normal function of the human spine. I summarized these findings in the first Spinal Engine book which I re edited in October 2008. I then addressed the question raised by many clinicians: So what from a clinical perspective? The content of this book summarizes seven years of subsequent work collecting data related to the function of the normal and abnormal spine. A method for collecting data on the function of the