Tot boy runs on treadmill, he falls hard.
A young boy lays behind a ramp outdoors. A remote controlled car misses the ramp and hits the boy in the head.
Two young girls record themselves for YouTube. One girl pulls the other down causing one of them to slam their head on the counter top. Video is replayed in slow motion. Indoors
A dog jumps to catch a toy in slow motion but gets hit in the face with it.
Snow skier crashes when cameraman compliments his skills.