Extensive laboratory testing has shown that it's not the magnetic field strength, but the field gradient (steepness of the slope of the magnetic field) that is the determining factor in alleviating pain. This unique steep field gradient generated by the Quadrapolar array is what blocks the pain signal.

This is why the QuadraBloc™ Science is so effective when placed over the irritated nerve.

Over a decade of cell research was done at Vanderbilt University Medical Center in Nashville Tennessee and clinical data was collected at various Medical Centers and Universities around the world.