Also known as The Full Body-Bind, this spell paralyses the victim
Neville's arms snapped to his sides. His legs sprang together. His whole body rigid, he swayed where he stood and then fell flat on his face
Harry's body became instantly rigid and immobile, and he felt himself fall back against the tower wall, propped like an unsteady statue...
Harry Potter and the Half-Blood Prince
by J.K. Rowling
Without warning, Malfoy pointed his wand at Harry, who was instantly paralysed. As though in slow motion, he toppled out of the luggage rack