Many students struggle with handwriting – you can see the labor in each
letter they write or the illegibility of letters. Non-fluent readers
often struggle with comprehensions. Non-fluent hand-writers often
struggle with the writing process. If handwriting is difficult it will
impact the writing process. Just like reading has fluency benchmarks so
does writing. Below is a chart from a 2008 article – What to Improve
Children’s Writing? – Don’t Neglect Their Handwriting, by Steve Graham.