Edutopia – Lauren Brukner
There are many underlying skills that can impact handwriting legibility, including gross motor skills (whole body strength and coordination), fine motor skills (strength and coordination of the small muscles of the hands), attention (the ability to attend to and process specific information within the environment while filtering out the rest), sensory processing (how the brain processes and integrates information from the senses), and visual motor skills (the ability to translate a visual image/plan into an accurate motor action).
Read More: https://www.edutopia.org/article/tricks-improve-students-handwriting