Extrinsic Factors Influencing Handwriting
There are numerous conditions and circumstances that contribute to the nature of normal writing and the quality of the writing performance. Some of these factors are variables that are extrinsic and, for the most part, not within the writer's voluntary control. Other variables are intrinsic and somewhat circumstantial. With the increased focus on terrorist groups operating out of the Middle Eastern areas of the world, interest has emerged on the use of Persian and Arabic handwriting systems. The individual that writes with the foot or the mouth does not have the facility of the hands to uncap the pen, hold the paper, turn over the page, manipulate an eraser, or the capacity to write on a horizontal surface at the elevation of a bank, business, or store counter. Multiple sclerosis (MS) is a widespread neurological disorder, a chronic progressive disease with a variety of symptoms, some of which are noticeable in handwriting.