The man paused with his hand on the door knob.

Her hand was already on the door knob, and she didn't turn round.

Moved my left hand and put it on the door knob.

I put my hand on the door knob, and turned it slowly.

She held the shotgun high, her left hand on the door knob.

She started down the hall and tried the door knob.

Before he took his hand away from the door knob it came alive.

With her hand on the door knob, she turned one last time and looked at him.

An example of such movement is turning a door knob.

She turned, caught with her hand on the door knob.