A tot boy picks up his twin brother in the street after he falls over while they ride bicycles.
Two teen girls slide down a mountain in the winter snow when one of them knocks the other over after she falls as she skis.
Two teen girls fall in a bedroom when they lose their balance as one of them lifts the other up by their legs as they do a handstand.
A woman kneels on the floor in the bedroom and a man climbs on her knee to change a light bulb in the closet. The woman's knee gives out and she falls over and the man falls on the floor too.