“…These processes are described only briefly here but they are more extensively defined in numerous other sources. 27,28,29,30,31,42,47,76 The PF model as a whole is currently not well known within the field of chronic pain. Some of its six constituent processes of PF, however, are gaining prominence, especially acceptance, 4,10,11,18,26,56,58,69,84,87,97 and values-based action.…”