Their muscles become stiff. They might bump into things or fall over objects.

VOA: special.2009.12.30

In warmer climates, snow is known to fall in areas over four thousand nine hundred meters above sea level.

VOA: special.2010.01.05

"They fall all over the Earth, not just Antarctica, but the best places for us to find them are the deserts because they don't get weathered and they don't break down as easily."

VOA: special.2010.07.28

"Another possible scenario is that this fragile Shi'ite alliance will simply fall apart over the difficulties of nominating a consensus prime minister."

VOA: standard.2010.05.10