Babies make a lot of movements that are often mistaken for seizures, including having a quivering chin, trembling hands, and
jerky arm movements.
Not exact matches
You'll notice that the
jerky arm and leg
movements of his newborn days have given way to smoother, more circular motions, especially when he's watching people.
It is a material that might not be ideal for younger babies or children with special needs, as they tend to do more «
jerky»
movements and could hit their head or
arms.
But the
movement of these robotic
arms are
jerky, probably due to the complicated mechanics for controlling muscle
movement.
Calling back to the framing device, the characters of the story are all mannequins, with boxy and segmented
arms and legs and
jerky movements.