The 2/3 power law links the kinematics of
handwriting with a movement trajectory but lack of precision
for handwriting movement. In order to study a more
appropriate relationship between velocity and curvature in
handwriting movements we examined the writing responses of
204 children from 2nd and 5th primary school. Cursive writing
was acquired by a digital tablet and its dynamic aspects were
studied in five different experimental conditions:two repetitive
sequences of le and uno, a series of numbers (in letters) in
ascending order and a sentence written in accurate and fast
conditions. We found a limit law that identify the maximum
velocity required to perform a specific curvature.
