...when you have a slipped disc...or when Lucifer has taken his bloodless, boney index finger and run it across your vertibrae, one at a time like a mallet on a marimba, his spikey, filthy fingernail clickety-click against the bones, retracting the muscles into an angry and immovable mass. -standing -sitting -laying down -getting up from a laying down position -sneezing -working at your desk -playing a French horn -petting the cat -picking up dropped items -washing the dishes -buying groceries -vacuuming -getting in and out of the car -not moving for 20 minutes at a time