Dysgraphia
Witten langage or fine motor disabilities
A neurologically based writing disorder in which a person has trouble forming letters or writing within a defined space. It can manifest itself as difficulties with spelling, poor handwriting, and trouble putting thoughts on paper. Because writing requires a complex set of motor and information processing skills, saying a student has dysgraphia is not sufficient. A student with disorders in written expression will benefit from specific accommodations in the learning environment, as well as additional practice learning the skills required to be an accomplished writer.
From LD Online
These students benefit from activities that support learning to form letters. Playing with clay, working mazes, connecting dots, tracing letters, working with models. Once legible letters can be formed they then will need practice: Arrow cues for script, imagining letters and word formation, writing from spoken dictation.
As early as possible, these students are greatly relieved when using a keyboard.