They obviously weren't going to be using the ladder down.

Instead of using the ladder, Payne leapt into the bunker and rushed to Kaiser's side.

Ignoring the rungs, she slid down the outer rails, using the ladder like a firehouse pole.

When I got to the office, the men were using the ladder to put up the baggage.

4 and 5 never acquired the habit of escaping from confinement by using the ladder.