It would probably depend on which spinal vertebra she's paralyzed on, since the spinal cord nerves for controlling movement branch off lower than the ones for breathing and speaking. But, since I hadn't really decided which one it was attached to, and it'll probably never come up again, there's little point in deciding now.
So, unsure of the answer, Marin doesn't answer that question.

She bites her lip.
"..."
She laughs again. "No!" And for some reason, she finds this to be really hilarious.

She doesn't let go yet.