Pain is likely to be either cerviCal facet in source or subocciptial muscle tend. My personal protocol for this is where next brace for 2-3 weeks when ever the head is unsupported (tv, car ect) to make sure muscles arnt aggitated while treatment is on going. manipulated c1, c2 and c0 to ensure there is now joint dysfunction. Use ultrasound to heat sub occipital muscles and relax them.The ems was the wrong treatment for the neck -well done docI normally see big results with this three pronged approach which takes into account muscle, tendons, joint and aggravating factors.