1. History of Widespread Pain
Pain is considered widespread when all of the following are
present : pain in the left side of the body, pain in the right
side of the body, pain above the waist and pain below the waist.
In addition there should be pain in the spine or the neck or
front of the chest, or thoracic spine or low back.
2. Pain in 11 of 18 Tender Point Sites on Finger Pressure
There should be pain on pressure (around 4kg of pressure
maximum) on not less than 11 of the following sites: