In spastic speech, there is present a noticeable hyper-tonicity of the nerve fibers actuating the muscles used in speaking as well as marked contractions of the facial muscles.
"Stammering, Its Cause and Cure"
Benjamin Nathaniel Bogue
Cerebral palsies: spastic paralysis.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson
The condition is frequently bilateral, and is often associated with other deformities of the lower limb and with a characteristic spastic gait.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson