DISCS DON'T SLIP!!! They can bulge, herniate, protrude, extrude, desiccate, prolapse and rupture, but they don't slip. Why is this an important fact? Simply because it gives the back pain sufferer an inaccurate perception of what is actually causing their problem. Read More
For every one inch your head moves out in front of your body it increases your perceived head weight by 15 pounds and it increases the amount of muscular effort by 10-fold. Read More