She couldn't even have seen its arm move.
He could not make his hand flex or his arm move.
He saw her arm move as she brushed at her eyes.
He would rise and fling a book at the wall, to feel his arm move, to hear the burst of sound.
Kirk saw the lieutenant's arm move as he gestured weapons up.
He felt Montcalm's powerful arm move around him as his legs weakened.
The little boy's arm moves and he reaches out to Indy rather than any of the others.
"There was a lot of discussion about how fast we can make the arm move," he said.
That was when he saw the right arm move.
Judy reached out and saw her hand and arm move on the screen, as well.