People Puppets: What a motor shunt implant does, when used non-consensually (and especially when it’s the kind that’s a spike roughly shoved into your brain or spine, a favorite of bodyjackers everywhere).

(Consensual uses, which don’t count for the purposes of this trope, include having your muse perform exercise or other basic body-maintenance tasks for you, remotely borrowing someone else’s expertise by letting them teleoperate your body, that sort of thing.)