Here we have another example of Scott Lang’s quick thinking and how it saved his life. Whether it was his brain that did the work, or his special suit working automatically to protect him, I’m not sure. During Avengers: Endgame, Lang is standing looking out of a window at Avengers HQ.
All of a sudden, there is a huge explosion, orchestrated by Thanos to destroy the Avengers team. Thrown backward, we see Lang shrinking to his ant size, which made his landing a lot safer for him, and probably saved his life. It did make the crawling back out of the debris a little harder though.